n experimental rocket-powered Bell X-1 at Muroc [now Edwards] AFB, Californ 10/14/1947 #3458  
rspeed record of 891 mph in a Bell X-1 at Muroc AFB, California.            11/6/1947 #3480

Word: "x-10" (Back to Top)

ak Ridge, Tennessee Y-12 plant The X-10 Graphite Reactor at Oak Ridge, Tenn 11/4/1943 #1542  
dge National Laboratory, Tennessee X-10 plant 4:20 p.m. A UFO that appears  1/21/1951 #5410  
 restricted area that includes the X-10 plant.                              1/21/1951 #5410

Word: "x-15" (Back to Top)

 AFB, California The first powered X-15 flight is piloted by Albert Scott C 9/17/1959 #15981  
ed craft are filmed passing a USAF X-15 rocket plane being commanded by tes 4/29/1962 #17135  
                   Edwards AFB, CA X-15 flight, piloted by Joe Walker; Phot 4/30/1962 #17138  
ree-flight test (Flight 52) of the X-15 to a height of 246,700 feet (46.7 m 4/30/1962 #17141  
ing in groups up to six behind the X-15.” Opinion ranges from “definitely s 4/30/1962 #17141  
                   Edwards AFB, CA X-15 flight, Maj. Bob White pilot. Photo 7/17/1962 #17277  
White is piloting Flight 62 of the X-15 at Edwards AFB, California. He flie 7/17/1962 #17279  
                       On this day X-15 pilot and future astronaut White wa 7/17/1962 #17280  
 a grayish-white UFO. It paced the X-15 for five seconds, and then darted a 7/17/1962 #17280  
of 353,200 feet (66.9 miles) in an X-15 rocket plane.                       8/22/1963 #17915  
               Barstow, California X-15 pilot Joseph A. Walker is killed wh 6/8/1966 #20544  
ing to the story, 6 UFOs follow an X-15 as it lands. When project members c 9/1/1967? #22977  
 of phone calls, they find that no X-15 flew on September 1. (There are fli 9/1/1967? #22977  
ph (Mach 6.72) in a North American X-15 rocket plane, a record that stands  10/3/1967 #23171  
he snaps six photos with his Kodak X-15 camera. The color pictures reveal a 5/5/1974 #29085  
gh altitude aircraft like the X-2, X-15 and U-2, plus cameras on rockets th 7/1991 #40108

Word: "x-17" (Back to Top)

nuclear warheads are launched from X-17 rockets from the deck of the USS No 8/27/1958 #15229

Word: "x-1a" (Back to Top)

 altitude of 90,440 feet in a Bell X-1A.                                    5/28/1954 #9838

Word: "x-2" (Back to Top)

titude of 126,283 feet in the Bell X-2.                                     9/7/1956 #13203  
on high altitude aircraft like the X-2, X-15 and U-2, plus cameras on rocke 7/1991 #40108

Word: "x-30" (Back to Top)

to develop engines/propulsion. The X-30 National Aerospace Plane (NASP) pla 4/1986 #37815

Word: "x-31" (Back to Top)

                    A Rockwell-MBB X-31 experimental jet fighter designed t 4/29/1993 #40956

Word: "x-37b" (Back to Top)

 Florida Low Earth Orbit The first X-37B, an uncrewed, reusable, robotic sp 4/22/2010 #45276  
Shuttle Landing Facility The fifth X-37B mission, Orbital Test Vehicle-5, l 10/27/2019 #45615

Word: "x-43a" (Back to Top)

                  An unmanned NASA X-43A hypersonic scramjet, the fastest f 11/16/2004 #44787

Word: "x-acceleration" (Back to Top)

 saucer maneuvers / 300M altitude. X-acceleration going quickly southeast.  3/8/2001 #44148

Word: "x-antenna" (Back to Top)

             LA PORTE, IN UFO with X-antenna / underside chases 2 / car. Co 3/20/1966 #19999

Word: "x-band" (Back to Top)

 Program, and the Navy’s sea-based X-band radar system. The Combined Space  6/23/2019 #45587

Word: "x-bright" (Back to Top)

Saucer touches outer wall / house! X-bright.                                2/20/1969 #24931  
   REYKJAVIK, ICEL 3 / airliner. 3 X-bright objects pass north going quickl 11/1972 #27103

Word: "x-fast" (Back to Top)

rt fringe going quickly southeast. X-fast. Fork-trail.                      12/17/1953 #9376

Word: "x-form" (Back to Top)

   LAUNAC, FR Round lights / rigid X-form dive / car. Structure unseen. Sil 10/5/1973 #27937

Word: "x-formation" (Back to Top)

going quickly northeast overhead / X-formation. Poor photograph taken.      6/18/1947 #2338  
 turn on its axis, turning into an X-formation, then breaks off into two se 11/6/1954 #11585  
YKOBING FALSTER, DK 3 observer(s). X-formation / 21 night lights rotates /  4/19/1994 #41496  
k 21 nocturnal lights flying in an X-formation followed a witness in his ca 4/19/1994 #41497

Word: "x-low" (Back to Top)

NZA, ITL Blazing 1.5M disk-light / X-low altitude. Observer(s) feels extrem 8/13/1977 #32397

Word: "x-pattern" (Back to Top)

 IN 5 / car. 40' object paces car. X-pattern / lights / underside. Photogra 1/21/1989 #38788

Word: "x-planes" (Back to Top)

nd were shown four decommissioned “X-planes,” all discs, measuring 20, 40,  1966 #19799

Word: "x-ray" (Back to Top)

ir, confirmed. Country: USA Name: “X-ray” Yield: 37KT                       4/14/1948 #3622  
oll Marshall Islands 6:17 a.m. The X-Ray nuclear device is detonated near E 4/15/1948 #3623  
 carried out the same procedure on X-Ray and Yoke without problems, but thi 5/15/1948 #3651  
 see the bones in his hand like an X-ray. Suddenly there is a flash, and th 2/11/1953 #8664  
 see the bones in his hand like an X-ray where he experiences no sound, and 2/19/1953 #8686  
rough a viewing lens that also has x-ray capability. The saucer goes to a “ 4/7/1956 #12798  
y of Crystallography conducts some X-ray diffraction work. All conclude tha Early 9/1957 #13971  
es them the stone. The fragment is x-ray analyzed at Åbo Akademi University 8/1964 #18466  
ugh of it for a chemical analysis. X-ray fluorescence and diffraction analy 10/22/1973 #28239  
by an apparatus that looks like an X-ray machine, and the men offer to shar 5/17/1978 #33224  
lepathy—“It was like a light or an X-ray penetrating.” They told her she wo 1/4/1979 #34296  
epathy, "it was like a light or an X-ray penetrating." They told her telepa 1/5/1979 #34304  
      Valdese, North Carolina Day. X-ray technician Ruth Weaver experiences 5/7/1980 #35314  
looking at something resembling an X-ray machine. He also encountered sever 5/3/2000 #43988

Word: "x-rays" (Back to Top)

                                   X-Rays discovered                        11/8/1895 #322  
 dose of 300–500 rems. Likely only X-rays, gamma rays, or neutrons could tr 7/4/1969 #25251

Word: "x-shape" (Back to Top)

ers = 12+observer(s). Large orange X-shape hovers and darts around. / MJ#22 5/22/1986 #37887  
SA, CA Several observer(s). Orange X-shape zigzags here too. Air Traffic Co 5/22/1986 #37888  
r / (seen thru) binoculars. Silent X-shape going quickly northwest going qu 10/13/1986 #38046  
nutes. There were 4-6 lights in a "X-shape."                                11/25/1999 #43887

Word: "x-shaped" (Back to Top)

d areas. Ritland recalls a “little X-shaped field” just off the eastern sid Early 1955 #11901  
d on the sand for two min, leaving X-shaped traces. It flew up to about 10  7/17/1965 #19116  
 the sand for two minutes, leaving X-shaped ground marks. It flew up to abo 7/17/1965 #19118  
ey described the UFOs as having an X-shaped arrangement of lights on the bo 12/19/1969 #25507  
                   At 1:30 a.m. an X-shaped UFO buzzed a car in Launac, Fra 10/5/1973 #27952  
   TUCSON, AZ Several observer(s). X-shaped silver double-CRG jumps and jer 2/21/1977 #31834  
ast of Joliet, Illinois. It had an X-shaped, coal-black area connecting the 2/12/1982 #36341  
ARTINSVILLE, WV 3 observer(s). 30' X-shaped object. 5 lights / bottom. Pace 12/30/1984 #37534  
sburg, WV 10:00 PM. A 30 foot long X-shaped object paced a car for 20 minut 12/30/1984 #37535  
At about 10:00 p.m. a 30 foot long X-shaped object paced a car for 20 minut 12/30/1984 #37536  
PIDS, MI Several observer(s). Huge X-shaped object flies east going west ov 1/31/1995 #42004

Word: "x1" (Back to Top)

d parts. As it turns out, the OTC- X1 develops a “mercury leak” and the lau 4/19/1959 #15708

Word: "x10'" (Back to Top)

   HOPKINTON, MASS 1 observer. 90' x10' "beam of light" seen 30 minute(s).  7/29/1952 #7279

Word: "x10'cgr" (Back to Top)

           SEWICKLEY HILLS, PA 50' x10'CGR hovers near car. Spotlight going 1/21/1987 #38101

Word: "x100" (Back to Top)

ons in our galaxy, and then added “x100” to it. Skeptic Joe Nickell suggest 2000 #43913

Word: "x11'" (Back to Top)

AXIAS, PORTUGAL 3 observer(s). 70' x11' saucer hovers and skims hills. Beam 6/24/1978 #33302

Word: "x15" (Back to Top)

2 saucers filmed passing Air Force X15 / record flight / 200K'.             4/30/1962 #17136  
             MOHAVE DESERT, CA 2nd X15 / worlds record altitude / 314K' fil 7/17/1962 #17276

Word: "x15'plain" (Back to Top)

    KAIPARA HARBOR, NZ Pilot. 100' x15'PLAIN fuselage in 30' / bay water. G 3/12/1965 #18853

Word: "x15m" (Back to Top)

ng quickly south going up / 45°. 7 x15M dried grass found.                  10/1973 (approximate) #27894  
 CO, IL Location approximate. 100m x15m yellow / orange saucer. Lands for 5 1/1/1975 #29685

Word: "x2" (Back to Top)

igence (SI) and Counter Espionage (X2), which are rolled up into the Strate 9/20/1945 #1938  
the next day, a purplish liquid, 2"x2" marks and patches of singed grass we 8/19/1965 #19424  
the next day, a purplish liquid, 2"x2" marks and patches of singed grass we 8/19/1965 #19428  
      SMETHPORT, PA 1 observer. 5' x2.5'x3'GLOWING box with tail over house 10/14/1984 #37485

Word: "x2'rectangle" (Back to Top)

  BULAWAYO, RHOD 5 observer(s). 5' x2'RECTANGLE hovers / house. Going quick 5/18/1958 #15043

Word: "x20'" (Back to Top)

T, SD 2+1 separate observer(s). 8' x20' ovoid close / ground. Vertical blue 12/14/1956 #13401

Word: "x200'" (Back to Top)

WR, PA RADAR detector alarms. 250' x200' delta/triangle/box-like craft goin 10/27/1992 #40692

Word: "x2m" (Back to Top)

         DORF-GULL, HESSEN, GERM 5 x2M cylinder/cigar-shape hovers / road.  12/9/1954 #11782  
LLA DL SIERRA, SP 4 observer(s). 1 x2M Brill window by tree. Vanishes / gun 8/5/1970 #25769  
             QUINTANAORTUNO, SPN 3 x2M washtub-saucer going down. Beams. Bu 1/1/1975 #29686

Word: "x3'" (Back to Top)

PITO, PORTGL 2 observer(s). Box 8' x3' with head / outside house. Traces. P 1/3/1977 #31685

Word: "x3-4" (Back to Top)

y, 66. One gold-colored box, 12-14"x3-4", flew straight and level across th 3/1/1962 #17070

Word: "x37b" (Back to Top)

arly 780 days in space. The Boeing X37B is an uncrewed, reusable, robotic s 10/27/2019 #45615

Word: "x3m" (Back to Top)

            ALCOCEBRE, SP Diver. 7 x3M cylinder/cylindrical object undersea 7/26/1970 #25752

Word: "x3x1m" (Back to Top)

LEGUNE, NT, AUS 2 / light plane. 9 x3x1M UFO passes. HF and VHF radios out  12/9/1977 #32751

Word: "x3x4m" (Back to Top)

LDEMANCO, SP Rectangular object. 9 x3x4M hovers. 2 wheels / front. Rises.   8/2/1968 #24288

Word: "x4'" (Back to Top)

60. B25 crew / 11.5K' altitude. 6' x4' rectangular object 300' under B25.   6/7/1952 #6458

Word: "x4'ovoids" (Back to Top)

                HAMILTON, ONT 2 8' x4'OVOIDS land. Observer(s) shocked / to 3/29/1966 #20127

Word: "x4'rectangle" (Back to Top)

LIA Cops and more/others. Black 6' x4'RECTANGLE going quickly east / 120kts 4/6/1997 #43254

Word: "x40'x20'" (Back to Top)

T LAKE CITY, UT 2 observer(s). 60' x40'x20' box goes slow. Sounds heard / t 4/22/1986 #37830

Word: "x4m" (Back to Top)

ding beam. Turns extremely dark. 3 x4M traces.                              6/4/1978 #33254

Word: "x5'" (Back to Top)

kly southeast / 150M altitude. 12' x5'. Silent. Landing?                    7/29/1947 #3248  
      NEW YORK, NY 1 observer. 10' x5' bullet-object with wavy lines. 6 pip 8/15/1964 #18485  
RING VALLEY, CA Boy / 15. Dull 14' x5' perfect cylinder/cylindrical object  11/1/1983 #37038

Word: "x5v4mr" (Back to Top)

s://www.reddit.com/r/UFOs/comments/x5v4mr/fmrlockheedastrophysicistandcolle 2018 #45498

Word: "x6'domed" (Back to Top)

electro-magnetic effect (EME). 18' x6'DOMED saucer hovers. Fades.. . No fur 2/14/1977 #31815

Word: "x6m" (Back to Top)

 ARG 2 observer(s). Ovoid lands. 4 x6M trace grows 4 kg mushrooms. Ants mut 11/3/1976 #31519

Word: "x7'disk" (Back to Top)

     ATWATER, CA 3+observer(s). 3' x7'DISK hovers / power poles. Hums. Attr 5/12/1979 #34555

Word: "x7'obj" (Back to Top)

          ROCKBRIDGE BATHS, VA 20' x7'OBJ paces and blocks car / SR39. 1' t 3/23/1988 #38518

Word: "x8'crater" (Back to Top)

                CHARLTON, WILTS 8' x8'CRATER / potato field. Dirt gone. 4 h 7/16/1963 #17831

Word: "x8'scr" (Back to Top)

    GAFFNEY, SC 2 observer(s). 20' x8'SCR whistles going quickly east towar 10/13/1983 #37002

Word: "x8m" (Back to Top)

       SATER, SWD 2 observer(s). 6 x8M metallic blue sphere / treetops. Lig 12/31/1987 #38380

Word: "xanthois" (Back to Top)

 confirmed. Country: France Name: “Xanthois” Yield: 5KT                     7/1/1978 #33321

Word: "xanton-chassenon" (Back to Top)

                                   XANTON-CHASSENON, FR 4 / car. Silent lum 6/1937 #1271

Word: "xaqdoi" (Back to Top)

s://www.reddit.com/r/UFOs/comments/xaqdoi/luiselizondodescribesacrazyusoenc 9/2022 #45768

Word: "xavier" (Back to Top)

14, and their friend Kátia Andrade Xavier, 22, are crossing a vacant lot at 1/20/1996 #42695  
n the night sky. One of them named Xavier Garza takes a blurry video of a r 7/5/2012 #45347

Word: "xawc5f_ur08" (Back to Top)

ilitary circles.  https://youtu.be/XAwc5F_UR08?t=3586   https://www.amazon. 7/7/2007 #45037

Word: "xb-35" (Back to Top)

Edwards AFB A four-engine Northrop XB-35 flying wing bomber makes its first 6/25/1946 #2015  
         Jack Northrop grounds the XB-35, which has suffered gearbox and pr 9/11/1946 #2176  
hrop delivers a second four-engine XB-35 flying wing aircraft to Muroc AFB  6/26/1947 #2419

Word: "xb-70" (Back to Top)

d of 2,020 mph in a North American XB-70 Valkyrie at Edwards AFB, Californi 1/12/1966 #19831  
aft collides with a North American XB-70 Valkyrie. At an altitude of about  6/8/1966 #20544  
F-104 drifts into contact with the XB-70’s right wingtip. The F-104 flips o 6/8/1966 #20544  
verted, passes over the top of the XB-70, striking both its vertical stabil 6/8/1966 #20544

Word: "xc5555" (Back to Top)

                                   XC5555 NORTHEAST / CHO-DO ISLAND, NORTH  2/10/1953 #8658

Word: "xe2838" (Back to Top)

               SOUTH / ANTUNG, CH (XE2838). B29 hit / NK searchlights. 10'  2/24/1952 #5927

Word: "xefi" (Back to Top)

announcer at Mexican radio station XEFI, a man named Duran, reported the he 7/7/1947 #2943

Word: "xenia" (Back to Top)

                                   Xenia, OH Saw a round 1 ft object at 1,5 10/20/1947 #3462  
                            Dayton–Xenia Road Dayton, Ohio 10:15 p.m. Debbi 3/25/1980 #35241  
ustafson are driving on the Dayton–Xenia Road three miles east of Dayton, O 3/25/1980 #35241

Word: "xeno" (Back to Top)

n a flying suit who calls himself “Xeno” and gives Padrick a tour of the sh 1/30/1965 #18784

Word: "xenon-133" (Back to Top)

ased and an even greater amount of xenon-133. The radiation is distributed  12/2/1949 #4431

Word: "xf5u" (Back to Top)

project the Flying Flapjack Vought XF5U. The story is apparently disinforma 3/27/1950 #4741

Word: "xfast" (Back to Top)

nk. Back up and going quickly west xfast.                                   1/16/1956 #12662

Word: "xfua5zqv" (Back to Top)

83175cca190   https://pastebin.com/xFuA5ZQv                                 4/2001 #44155

Word: "xi" (Back to Top)

in diameter) passed a RAF Spitfire XI fighter from the 541th Squadron at 34 3/26/1945 #1831  
    The two astrononauts on Gemini XI, Dick Gordon and Pete Conrad, during  9/13/1966 #20881  
near a factory located between Lan Xi and the Xim An River in Zhejiang prov 12/13/1979 #35080  
                                   Xi’an University, Shanxi, China 10:00 p. 6/5/1981 #35952  
ing Shiliang and other students at Xi’an University, Shanxi, China, see a l 6/5/1981 #35952  
the following: “STAC Reports (I to XI) describe the fall, collection, analy 3/11/1998 #43532  
of the original STAC Reports (I to XI) that any attempt to follow the path  3/11/1998 #43532

Word: "xi'an" (Back to Top)

                                   XI'AN, SHAANXI, CH Hundreds / observer(s 9/1970 #25820  
                            WEST / XI'AN, SHAANXI, CH Many observer(s). Sau 11/26/1976 #31575  
                                   XI'AN, SHAANXI, CH Several observer(s).  11/15/1980 #35641  
                                   XI'AN UNIVERSITY, SHAANXI, CH Luminous o 6/5/1981 #35951  
                                   XI'AN, SHAANXI, CH 1 observer. Red-glowi 6/11/1981 #35962

Word: "xiamen" (Back to Top)

HENGDU, SICHUAN GOING QUICKLY [TO] XIAMEN, CH Saucer near airliner. Liner d 5/17/1991 #40065

Word: "xian" (Back to Top)

  A farmer named Ju Tan in Song-Zi Xian Couny, China came upon a misty whit 5/8/1880 #233  
                             QUING XIAN EAST / TIANJIN, CHINA Several obser 9/1943 #1522  
                               CAO XIAN, SHANDONG, CH 50+observer(s). Hat s 9/5/1971 #26320  
                                JI XIAN, HENAN, CH 10+observer(s). Big sile 9/18/1971 #26342  
                    NORTHWEST / YU XIAN, HENAN, CH 2 separate Army squads c 10/4/1971 #26406  
                           GUCHENG XIAN, HUBEI, CH Many observer(s). Flying 11/1976 (approximate) #31514

Word: "xiangshan" (Back to Top)

                            WEST / XIANGSHAN, CH Cone rises point up from m 12/14/1980 #35713

Word: "xianyang" (Back to Top)

                                   XIANYANG, CH Several observer(s). Washpa 11/1978 (approximate) #33906

Word: "xiaoshan" (Back to Top)

                          Hangzhou Xiaoshan International Airport Hangzhou, 7/7/2010 #45286  
FO is seen hovering above Hangzhou Xiaoshan International Airport near Hang 7/7/2010 #45286

Word: "xigaze" (Back to Top)

                                   XIGAZE, TIBET 1 observer. Fast silver co 8/1976 #31213

Word: "xii" (Back to Top)

t. Col. Leavitt Corning Jr. of the XII Tactical Air Command sends a secret  1/16/1945 #1757  
long in a string toward NW. [UFOE, XII] (NICAP: 01 - Distant Encounters)    6/23/1947 #2374  
 moved across the wind [UFOE, VII, XII] (NICAP: 08 - Photographic Cases)    7/4/1947 #2649  
light, shot upwards out of sight. [XII] (NICAP: 01 - Distant Encounters)    12/8/1947 #3498  
pward at ''terrific speed." [UFOE, XII] (NICAP: 01 - Distant Encounters)    7/4/1948 #3697  
isc hovered over city, sped away. [XII] (NICAP: 01 - Distant Encounters)    3/10/1950 #4606  
ed, sped away when car approached [XII] (NICAP: 02 - Close Encounters)      6/30/1950 #5026  
portholes" speed towards Ontario. [XII] (NICAP: 01 - Distant Encounters)    11/7/1951 #5770  
thers reported oval object. [UFOE, XII] (NICAP: 01 - Distant Encounters)    8/1/1952 #7401  
served in searchlight beam. [UFOE, XII] (NICAP: 01 - Distant Encounters)    9/9/1952 #7884  
ow overhead; cattle bolted. [UFOE, XII] (NICAP: 01 - Distant Encounters)    9/16/1952 #7959  
isc-shaped UFO with "dome". [UFOE, XII] (NICAP: 01 - Distant Encounters)    10/11/1952 #8117  
e to refer everything to Pope Pius XII, who decided to found the S.I.V with 2/19/1954 (approximate) #9557  
 accelerated and shot away. [UFOE, XII] (NICAP: 01 - Distant Encounters)    5/30/1954 #9845  
sc with apparent portholes. [UFOE, XII] (NICAP: 01 - Distant Encounters)    7/28/1954 #10058  
ff and moved into distance. [UFOE, XII] (NICAP: 01 - Distant Encounters)    9/20/1954 #10368  
cs oscillating in formation.[UFOE, XII] (NICAP: 01 - Distant Encounters)    Fall 1954 #10414  
 blue "portholes" observed. [UFOE, XII] (NICAP: 01 - Distant Encounters)    11/5/1954 #11576  
s" at front, sped overhead. [UFOE, XII] (NICAP: 01 - Distant Encounters)    12/20/1954 #11847  
 made sharp turn, ascended. [UFOE, XII] (NICAP: 01 - Distant Encounters)    4/22/1955 #12099  
ouds as an aircraft neared. [UFOE, XII] (NICAP: 01 - Distant Encounters)    6/17/1955 #12203  
ration when UFO left. [UFOE, VIII, XII] (NICAP: 03 - EME Cases)             6/26/1955 #12214  
ged upward, then sped away. [UFOE, XII] (NICAP: 01 - Distant Encounters)    7/9/1955 #12245  
ouds as an aircraft neared. [UFOE, XII] (NICAP: 01 - Distant Encounters)    7/17/1955 #12264  
way as airliner approached. [UFOE, XII] (NICAP: 01 - Distant Encounters)    7/17/1955 #12265  
ove glider then speed away. [UFOE, XII] (NICAP: 01 - Distant Encounters)    7/26/1955 #12288  
ed ascending at high speed. [UFOE, XII] (NICAP: 01 - Distant Encounters)    8/6/1955 #12336  
ned sideways and shot away. [UFOE, XII] (NICAP: 01 - Distant Encounters)    8/21/1955 #12384  
object through a telescope. [UFOE, XII] (NICAP: 01 - Distant Encounters)    8/28/1955 #12413  
ly over car on lonely road. [UFOE, XII] (NICAP: 02 - Close Encounters)      10/28/1955 #12527  
ights, moving slowly south. [UFOE, XII] (NICAP: 01 - Distant Encounters)    12/6/1955 #12599  
 object hovered, sped away. [UFOE, XII] (NICAP: 01 - Distant Encounters)    12/29/1955 #12622  
of light visible on bottom. [UFOE, XII] (NICAP: 02 - Close Encounters)      1/17/1956 #12664  
 object hovered, sped away. (UFOE, XII) (NICAP: 01 - Distant Encounters)    6/27/1956 #12925  
 object hovered, sped away. (UFOE, XII) (NICAP: 01 - Distant Encounters)    7/19/1956 #12987  
ke markings became visible. (UFOE, XII) (NICAP: 01 - Distant Encounters)    8/19/1956 #13099  
ough semi-circle formation. (UFOE, XII) (NICAP: 01 - Distant Encounters)    8/20/1956 #13103  
, through searchlight beam. (UFOE, XII) (NICAP: 02 - Close Encounters)      11/1956 #13301  
, confirmed sighting. [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    2/13/1957 #13501  
lescope in bright daylight. [UFOE, XII] (NICAP: 01 - Distant Encounters)    6/15/1957 #13729  
 wobbling vertical descent. [UFOE, XII] (NICAP: 01 - Distant Encounters)    7/1/1957 #13770  
 green lights like windows. [UFOE, XII] (NICAP: 01 - Distant Encounters)    7/1/1957 #13771  
r second consecutive night. [UFOE, XII] (NICAP: 01 - Distant Encounters)    10/7/1957 #14068  
 UK Disc traveling on edge. [UFOE, XII] (NICAP: 01 - Distant Encounters)    10/23/1957 #14149  
tical UFO with "portholes." [UFOE, XII] (NICAP: 01 - Distant Encounters)    12/16/1957 #14734  
o "porthole" like markings. [UFOE, XII] (NICAP: 01 - Distant Encounters)    2/2/1958 #14865  
cended hovered, moved away. [UFOE, XII] (NICAP: 01 - Distant Encounters)    3/20/1958 #14943  
 of "portholes or windows." [UFOE, XII] (NICAP: 01 - Distant Encounters)    4/2/1958 #14958  
ed in rapid vertical climb. [UFOE, XII] (NICAP: 01 - Distant Encounters)    4/4/1958 #14963  
 object zigzagged overhead. [UFOE, XII] (NICAP: 01 - Distant Encounters)    6/4/1958 #15080  
s" followed jets, hovered. [NICAP, XII] (NICAP: 11 - Aviation Cases)        8/17/1958 #15207  
g light suddenly sped away. [UFOE, XII] (NICAP: 01 - Distant Encounters)    11/5/1958 #15428  
 remained stationary. [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    1/1/1959 #15525  
O hovered, sped away. [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    5/14/1959 #15731  
d, dove out of sight. [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    6/3/1959 #15759  
took off straight up. [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    8/24/1959 #15935  
sighted by architect. [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    5/4/1960 #16251  
UFO with "portholes." [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    5/18/1960 #16283  
cended and sped away. [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    7/1/1960 #16323  
any police witnesses. (NICAP UFOE, XII) (NICAP: 01 - Distant Encounters)    8/13/1960 #16377  
, hovered, sped away. [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    4/9/1961 #16645  
ff as car approached. [NICAP UFOE, XII] (NICAP: 02 - Close Encounters)      5/1961 #16671  
kyquakes" were heard. [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    5/19/1961 #16688  
UFO with "portholes." [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    5/25/1961 #16700  
ring in the distance. [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    9/13/1961 #16832  
 different observers. [NICAP UFOE, XII] (NICAP: 01 - Distant Encounters)    10/12/1961 #16906  
re "windows." [NICAP UFO Evidence, XII] (NICAP: 01 - Distant Encounters)    4/24/1962 #17126  
. (NICAP UFO Evidence, See Section XII; Argentine Chronology.) (NICAP: 11 - 5/1962 #17144  
avy pilot. [NICAP UFO Evidence, X, XII] (NICAP: 11 - Aviation Cases)        9/8/1962 #17390  
s who spoke with him (UFOE Section XII). (NICAP: 07 - Entity Cases)         4/24/1964 #18192  
traces found at site (UFOE Section XII). (NICAP: 06 - Trace Cases) (NICAP:  7/16/1964 #18415  
ed out of sight (UFOE II, Section, XII). (NICAP: 02 - Close Encounters)     7/20/1965 #19148  
 from disc with dome (sections IX, XII). (NICAP: 07 - Entity Cases)         8/24/1967 #22911  
escended, entered car. See Section XII (E) car (NICAP: 03 - EME Cases)      11/2/1967 #23387  
de repeated passes at car (Section XII, Vol. II, The UFO Evidence). (NICAP: 1/20/1968 #23680  
ject paced car, sped away (Section XII). 69Unknown Paris TN 1 Witness was d 12/8/1968 #24751  
in upper portion (UFOE II, Section XII). (NICAP: 02 - Close Encounters) (NI 1/1/1970 #25530  
 (Humcat 1970-4 ; UFOE II, Section XII). (NICAP: 07 - Entity Cases)         1/7/1970 #25538  
r, humanoid encounter. See Section XII (R) car (NICAP: 03 - EME Cases)      9/3/1973 #27752  
ase. No details. (UFOE II, Section XII). (NICAP: 07 - Entity Cases)         9/27/1973 #27877  
arent "bell jar" (UFOE II, Section XII) (NICAP: 07 - Entity Cases)          10/12/1973 #28015  
res inside (UFOE II, Section VIII, XII) (NICAP: 07 - Entity Cases)          10/16/1973 #28080  
d, creature encounter. See Section XII (E,L) car (NICAP: 03 - EME Cases)    10/17/1973 #28129  
ar displaced off road. See Section XII (L) car (NICAP: 03 - EME Cases)      10/19/1973 #28193  
 bright red eyes (UFOE II, Section XII). (NICAP: 07 - Entity Cases)         11/7/1973 #28383  
visible inside object. See Section XII (E) truck (NICAP: 03 - EME Cases)    11/19/1973 #28448  
k, humanoid encounter. See Section XII (E,R,L) car (NICAP: 03 - EME Cases)  1/7/1974 #28658  
geri, Ref. 5, Reference 1, Section XII). (NICAP: 07 - Entity Cases)         4/16/1974 #29037  
ICAP UFO Evidence II, Sections IX, XII). (NICAP: 07 - Entity Cases)         2/14/1975 #29810  
noids visible in dome. See Section XII (E,L) truck (NICAP: 03 - EME Cases)  5/3/1975 #30021  
te (NICAP UFO Evidence II, Section XII). (NICAP: 05 - Medical Incidents)    7/31/1975 #30216  
 encounter (NICAP UFOE II, Section XII). (NICAP: 07 - Entity Cases)         2/24/1977 #31844  
ddleton, MA Humanoid case (section XII) (NICAP: 07 - Entity Cases)          1/9/1978 #32860  
ght from the top onto car (section XII). (NICAP: 02 - Close Encounters)     4/2/1978 #33117  
translocation of vehicle (sections XII, XIII). (NICAP: 03 - EME Cases)      7/6/1978 #33343  
nter, physical traces. See Section XII (E,L) car (NICAP: 03 - EME Cases)    9/17/1978 #33699  
with loud explosive sound (section XII). (NICAP: 07 - Entity Cases)         9/18/1978 #33706  
round, humanoid encounter (section XII). (NICAP: 04 - Animal Reactions) (NI 1/3/1979 #34286  
 through transparent dome (section XII). (NICAP: 02 - Close Encounters)     8/4/1979 #34711  
owled as if his ears hurt (section XII). (NICAP: 04 - Animal Reactions)     3/8/1980 #35203  
car, E-M effects on radio (section XII). (NICAP: 03 - EME Cases)            5/7/1980 #35312  
lume II, The UFO Evidence, Section XII). (NICAP: 02 - Close Encounters)     12/19/1981 #36266  
r car, humming sound (sections IX, XII). (NICAP: 02 - Close Encounters)     11/19/1982 #36686  
manoids visible in object (section XII). (NICAP: 02 - Close Encounters)     9/1/1987 #38272  
Car dragged toward object (section XII). (NICAP: 03 - EME Cases)            12/14/1987 #38362  
 entities reported (sections VIII, XII); geodesic engineer saw maneuvering  9/14/1989 #39100  
 entities reported (sections VIII, XII); geodesic engineer saw maneuvering  9/14/1989 #39100  
ect hovering over a field (section XII). (NICAP: 02 - Close Encounters)     3/27/1990 #39488

Word: "xiii" (Back to Top)

xual encounter case (UFOE, section XIII). (NICAP: 07 - Entity Cases)        10/15/1957 #14116  
r, 1979, 1982, 1990, 1995, section XIII). (NICAP: 06 - Trace Cases)         1/25/1967 #21381  
y loss and abduction. (See section XIII bibliography, Fowler, 1990a.) (NICA 8/26/1967 #22931  
y loss and abduction. (See section XIII bibliography, Fowler, 1990a.)       8/26/1967 #22934  
call of event years later (Section XIII, Vol. II, The UFO Evidence). (NICAP 8/7/1968 #24304  
 types of beings (UFOE II, Section XIII). (NICAP: 07 - Entity Cases)        11/26/1972 #27144  
nter, abduction. (UFOE II, Section XIII). (NICAP: 07 - Entity Cases)        10/28/1973 #28308  
on abduction (Reference 1, Section XIII). (NICAP: 07 - Entity Cases)        10/25/1974 #29555  
duction case (Reference 1, Section XIII). (NICAP: 07 - Entity Cases)        10/27/1974 #29559  
iological effects (Ref. 1, Section XIII). (NICAP: 02 - Close Encounters)    1/6/1976 #30768  
s, apparent abduction. See Section XIII (E,L) car (NICAP: 03 - EME Cases)   6/11/1976 #31099  
g time, abduction (Ref. 1, Section XIII). (NICAP: 03 - EME Cases)           6/11/1976 #31100  
. Herrmann abduction case (section XIII). (NICAP: 07 - Entity Cases)        3/18/1978 #33052  
location of vehicle (sections XII, XIII). (NICAP: 03 - EME Cases)           7/6/1978 #33343  
xamined on metallic table (section XIII). (NICAP: 02 - Close Encounters)    4/2/1980 #35247  
 room with "fog" on floor (section XIII). (NICAP: 03 - EME Cases) (NICAP: 0 8/21/1980 #35472  
 levitated; abduction. See Section XIII (R,L) car (NICAP: 03 - EME Cases)   11/19/1980 #35657  
io emerged under hypnosis (section XIII). (NICAP: 07 - Entity Cases)        11/28/1980 #35678  
 Strieber alien encounter (section XIII). (NICAP: 07 - Entity Cases)        12/26/1985 #37736  
ngs, views inside a craft (section XIII). (NICAP: 07 - Entity Cases)        8/15/1986 #37990  
 and John, III, abduction (section XIII). (NICAP: 07 - Entity Cases)        3/20/1988 #38515

Word: "xiiith" (Back to Top)

d Low, Roach, and Hynek attend the XIIIth General Assembly of the Internati 8/22/1967 #22892

Word: "xim" (Back to Top)

ory located between Lan Xi and the Xim An River in Zhejiang province, China 12/13/1979 #35080

Word: "xincheng" (Back to Top)

                                   Xincheng district of Taiyuan, Shaanxi, C 10/11/2010 #45301  
one and the other larger, over the Xincheng district of Taiyuan, Shaanxi, C 10/11/2010 #45301

Word: "xinganling" (Back to Top)

                                   XINGANLING MOUNTAINS, CHINA Location app 6/18/1982 #36506

Word: "xinghua" (Back to Top)

                                   XINGHUA, JIANGSU, CH Blue-grey cylinder/ 2/26/1981 #35846

Word: "xingu" (Back to Top)

                                   Xingu light airplane São José dos Campos 5/19/1986 #37880  
sé dos Campos Brasilia 9:00 p.m. A Xingu light airplane piloted by Col. Ozi 5/19/1986 #37880  
ey give up the chase and land. The Xingu makes three other attempts to land 5/19/1986 #37880  
sued the object in the twin-engine Xingu aircraft, the light blinked off ev 5/19/1986 #37882

Word: "xinhua" (Back to Top)

China Official Chinese news agency Xinhua reported that an association to s 11/24/1980 #35663

Word: "xinhuajie" (Back to Top)

Shaanxi, China Sanqianglu district Xinhuajie district Apparel Town area pla 10/11/2010 #45301  
e air are seen at 8:55 p.m. in the Xinhuajie district, at 9:01 p.m. near th 10/11/2010 #45301

Word: "xinjian" (Back to Top)

                   SOUTH / JINGHE, XINJIAN, CH Geologists. Large perfect ov 8/1974 #29289  
                 LOCATION UNKNOWN, XINJIAN PROVINCE, CH Weathermen and many 10/5/1976 (approximate) #31447

Word: "xinjiang" (Back to Top)

 canal north of the Gobi Desert in Xinjiang province, China on this evening 4/15/1968 #23907  
China Lop Nur Nuclear Test Base in Xinjiang Siberia The D-21 drone makes it 11/9/1969 #25454  
r the Lop Nur Nuclear Test Base in Xinjiang but strays off course into Sibe 11/9/1969 #25454  
                         AWATI CO, XINJIANG, CH Several separate observer(s 9/20/1979 (approximate) #34903  
                            QITAI, XINJIANG, CH 5 observer(s). Oval ring /  11/29/1979 #35026  
                             HAMI, XINJIANG 10+TV workers. Large saucer in  3/18/1988 #38512  
                           Ürümqi, Xinjiang Autonomous Province, China 11:1 9/6/1989 #39092  
m. Tong Yuwei, a worker in Ürümqi, Xinjiang Autonomous Province, China, see 9/6/1989 #39092  
            Journalists in Yining, Xinjiang, China photographed a bright ba 11/1/2002 #44429

Word: "xinxiang" (Back to Top)

                              NEAR XINXIANG, HENAN, CH Night light spirals  7/1977 #32214

Word: "xira" (Back to Top)

                    VILA FRANCA DE XIRA, PORT Group / Navy officers. Saucer 11/6/1957 #14357

Word: "xiti" (Back to Top)

estrial that they both knew, named Xiti, had been killed. Supposedly a disa 1/15/1969 #24849

Word: "xiv" (Back to Top)

c descended, hovered. (NICAP UFOE, XIV) (NICAP: 01 - Distant Encounters)    7/13/1959 #15839  
licy Letter; For Commanders," Vol. XIV, No. 12, issued by Office of Secreta 8/15/1960 #16383

Word: "xku8yn" (Back to Top)

eddit.com/r/remoteviewing/comments/xku8yn/ciainvestigatesanomalouseventthat 5/1984 #37308

Word: "xl" (Back to Top)

 UFOs, one through theodolite. [V, Xl (NICAP: 01 - Distant Encounters)      3/13/1950 #4625

Word: "xlr-11" (Back to Top)

unched rocket plane powered by the XLR-11 liquid fuel rocket engine.        8/15/1951 #5607

Word: "xmas" (Back to Top)

   A SWAT team witnessed a "flying Xmas tree" soar over the city of Memphis 5/17/1977 #32108

Word: "xmoon" (Back to Top)

RSK, KAZAKH SSR Engineer. Saucer 2 xMOON south going north / 2 min. Vibrant 5/17/1967 #22360

Word: "xp-80" (Back to Top)

y Johnson deliver proposal for the XP-80 jet fighter                        7/1943 #1513  
rs hand-deliver a proposal for the XP-80 jet fighter to the Air Tactical Se 7/1943 #1515  
ery Skunk Works aircraft since the XP-80. Past the DarkStar was something c Late 1990's #43480

Word: "xp-84" (Back to Top)

westerly direction. At 10:10 a.m., XP-84 test pilot Maj. Jowell C. Wise see 7/8/1947 #3014

Word: "xp-86" (Back to Top)

light of the prototype jet fighter XP-86 flies from Muroc Dry Lake (now Edw 10/1/1947 #3442

Word: "xterra" (Back to Top)

AMP126 (white Toyota) and 4JPL825 (Xterra SE).  Fuller later meets Richard  7/2003 #44560

Word: "xuchang" (Back to Top)

                                   XUCHANG, HENAN, CH Several observer(s).  9/25/1971 #26375  
 from across China on this day. In Xuchang a luminous object spiralled in a 9/25/1971 #26381

Word: "xvis" (Back to Top)

m USG contractors states a system “XViS” is being used to analyze UAP biolo 5/2/2018 #45525  
UAP contact scenarios.  Curiously, XVis was an actual Department of Energy  5/2/2018 #45525  
conscious-states.html   http://www.xvis.org/index.php/Main_Page   https://w 5/2/2018 #45525  
https://www.sandia.gov/ccr/project/xvis/                                    5/2/2018 #45525

Word: "xw-25" (Back to Top)

ate an accidental detonation of an XW-25 warhead in an airplane crash. The  4/24/1957 #13615

Word: "xx" (Back to Top)

 box formation. Bank and maneuver. XX accelerations.                        4/24/1949 #4101  
ation through the screen, on Super XX cut film 4-by-5-inch format. The ligh 7/16/1952 #6843

Word: "xxi" (Back to Top)

               Gen. Curtis LeMay’s XXI Bomber Command’s Air Intelligence st 4/26/1945 #1855  
              Pacific Theatre Truk XXI Bomber Command Air Intelligence issu 6/9/1945 #1875

Word: "xxii-xxiii" (Back to Top)

ped away. (Sagan & Page, 1972, pp. xxii-xxiii.) (NICAP: 02 - Close Encounte 9/22/1966 #20913

Word: "xxiii" (Back to Top)

 a private audience with Pope John XXIII in Rome, Italy. The pontiff is ser 5/31/1963 #17774  
ith them anymore and to offer John XXIII a liquid substance in order to sav 5/31/1963 #17774

Word: "xxsrh2qt2o4" (Back to Top)

950525trans.htm   https://youtu.be/xXsrH2qT2O4   https://books.google.com/b 5/25/1995 #42229

Word: "xxxx" (Back to Top)

GMA established as part of Project xxxx (name CENSURED). Top Secret project 1954 #9414

Word: "xxxxx" (Back to Top)

taken in the Summer of 1953 by Mr. XXXXX of Tulsa, Oklahoma. According to A Summer 1953 #8949  
ts shining through the object. Mr. XXXXX had sighted the same object on 21  6/21/1954 #9915  
e, from intelligence sources, that xxxxx believes that such phenomena exist 10/18/1993 #41246

Word: "xxxxxx" (Back to Top)

                           Project xxxxxx (name censured) established by Pr 1953 #8471  
                           Project xxxxxx (name censured) continues after P 12/1969 #25482

Word: "xxxxxxx" (Back to Top)

and 0200 hours July 28, 1952, Mrs. XXXXXXX observed a white light immediate 7/27/1952 #7210  
ter W.S. Churchill to Secretary of xxxxxxx Air Ministry stating: What does  7/28/1952 #7223  
n independent project from Project xxxxxxx.                                 1976 #30741

Word: "xxxxxxxx" (Back to Top)

                           Project xxxxxxxx (name censured) established to  1968 #23620

Word: "xxxxxxxxxxx" (Back to Top)

at an informal group exists in the xxxxxxxxxxx community and it is possible 10/18/1993 #41246

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