Hangar 18 - (Sci Fi /Action) - 1980

A UFO collides with an American satellite being launched in space. An astronaut is killed and the UFO crash lands in the Arizona desert. It is taken to the secret Hanger 18, to be studied and to hide it's existence .
The 2 remaining astronauts are blamed for the incident, and the death of their colleague . They try to contact their boss at NASA, to reveal the truth. However they are hunted by government agents ,who would do anything, to keep the incident secret, including murder.