This movie is real! Sts-75 is filmed by nasa and Martyn stub made a documentary-like movie where this clip was included. Martyn Stubbs went through approximately 8000 hours of movies through the years. He analyzed many of NASA's film footage. What I think so they are here UFOs manned by them called. Greys also have a base on the moon. In the documentary: Moon Rising will see these UFOs as well. Martyn Stubbs died later of cancer.