Unsealed: Alien Files - Season 4 Episode 15 -
Season 4, Episode 15 - Space Shuttle Encounters
Between 1981 and 2011, NASA's Space Shuttles flew 135 missions. The Space Shuttle cameras, manned and unmanned, have recorded astounding footage of UFOs that many experts find almost impossible to explain.
Please explain the problem in a few words.
Max 255 characters.
Max 255 characters.