4 Season
82 Episode
Unsealed: Alien Files - Season 4 Episode 4 The Space Force
Since the early 1960s, we've experimented with how to travel off planet Earth. Many experts believe America has operated a secret Space Force for decades, with ultra high-tech ships designed for missions beyond Earth's orbit.
- Year: 2015
- Country: United States of America
- Genre: Documentary, Reality
- Studio: History
- Keyword:
- Director:
- Cast: