1. Area 51 - Alleged development of new technologies from alien craft
2. Majestic 12 - Alleged 1947 recovery of the crashed UFO in Roswell, New Mexico
3. Hughes Mining Barge - CIA allegedly stole secrets from an enemy submarine
4.Operation Morning Light - Russian cleanup of crashed radioactive satellite
5. MKUltra - Controversial CIA experience on humans for mind control
6. Project Sign - Official 1948 investigation into UFOs by US Air Force
7. Project Grudge - Continued 1949 UFO studies by US Military
8. Project Blue Book - Further US Air Force studies into UFO phenomena
9. Project Nutmeg - Nuclear armament tests by US in Nevada desert
10 B-2 Stealth Bomber - Preciously classified aircraft project.