#Satellite

Concepts (2)

• KH-11 KH-11 is a type of reconnaissance satellite developed by the United States. The first KH-11 was launched on December 19, 1976.
• VELA Satellite VELA Satellite refers to a series of U.S. nuclear detection satellites. On September 22, 1979, a VELA satellite recorded two distinctive bright flashes of light over the South Indian Ocean, which was considered probable evidence of a nuclear...