diff --git a/Lists_of_OSINT_Web_Resources/Orbital-Intelligence-ORBINT.md b/Lists_of_OSINT_Web_Resources/Orbital-Intelligence-ORBINT.md
index 059ddbc..7486055 100644
--- a/Lists_of_OSINT_Web_Resources/Orbital-Intelligence-ORBINT.md
+++ b/Lists_of_OSINT_Web_Resources/Orbital-Intelligence-ORBINT.md
@@ -6,7 +6,7 @@
 - [Space-Track](https://www.space-track.org)  
   Promotes space flight safety, protection of the space environment and the peaceful use of space worldwide by sharing space situational awareness services and information with U.S. and international satellite owners/operators, academia and other entities. Requires account.
 - [N2YO](https://www.n2yo.com/)  
-  Select any satellite orbiting the Earth and check where is located in real-time. Check satellite passes over your location and receive alerts on your phone.
+  Select any satellite orbiting the Earth and check where it is located in real-time. Check satellite passes over your location and receive alerts on your phone.
 - [Heavens-Above](https://www.heavens-above.com/)  
   Provides satellite predictions and other astronomical data customized for your location.
 - [SatFlare](http://www.satflare.com/track.as)  
@@ -16,7 +16,7 @@
 - [AMSAT-UK](https://amsat-uk.org/beginners/satellite-tracking/)  
   This is a great collection of information regarding amateur cube satellites.
 - [List of Mission Patches](http://www.seasky.org/space-exploration/mission-patches-menu.html)  
-  A great resource that displays images and information for *most* mission patches from the early days of space exploration to present day missions. Appears to be missing some more recent patches like the [Inspiration 4](https://inspiration4.com/) patch and a few others.
+  A great resource that displays images and information for *most* mission patches from the early days of space exploration to present day missions. 
 - [[PDF] NASA ISS Reference Guide](https://www.nasa.gov/pdf/508318main_ISS_ref_guide_nov2010.pdf)  
   A document provided by NASA in November 2010 that acts as a reference guide and provides details of the construction and layout of the International Space Station. Archived copies can be found [here (Wayback)](https://web.archive.org/web/20210912213137/https://www.nasa.gov/pdf/508318main_ISS_ref_guide_nov2010.pdf) and [here (Library Genesis)](http://libgen.rs/book/index.php?md5=8E878DE8BE1D9C769B83D2C7CCE68FE2).
 - [[PDF] NASA ISS Reference Guide - Utilization Edition](https://www.nasa.gov/sites/default/files/atoms/files/np-2015-05-022-jsc-iss-guide-2015-update-111015-508c.pdf)  
@@ -37,13 +37,15 @@ Another, more recent document from NASA in September 2015 that is a reference gu
   An interactive 3D map of the universe. 
 - [MoonCalc](https://www.mooncalc.org/)  
   Shows the motion of the Moon and Moon phase for a particular day at a particular location.
+- [Gunter's Space Page](https://space.skyrocket.de/index.html)  
+  Established in 1996, Gunter's Space Page is one of the leading and most comprehensive online resources dedicated to space missions, satellites, rockets, and related space exploration activities.
+- [Jonathan's Space Home Page](http://www.planet4589.org/)  
+  A great blog where you can find extensive data on the history of space exploration.
 
 ## **<u>Visualization</u>**
 
 - [LeoLabs Low Earth Orbit Visualization](https://platform.leolabs.space/visualization)  
   A visualization of satellites, debris, and other objects tracked by LeoLabs in low earth orbit.
-- [Stuff In Space](http://stuffin.space/)  
-  Stuff in Space is a real-time 3D map of objects in Earth orbit, visualized using WebGL. Daily updates with orbit data from Space-Track.org and uses the excellent satellite.js JavaScript library to calculate satellite positions.
 - [ESRI Satellite Map](https://maps.esri.com/rc/sat2/index.html)  
   This satellite map shows current position and trajectory of over 19300 satellites orbiting the Earth. View satellites by country, type, size, launch date, ect.
 - [Live Starlink Satellite Map](https://satellitemap.space/)