An insight into NASA's Gemini spacecraft, the precursor to Apollo and the key to the Moon NASA's Gemini space flight programme followed on from the pioneering Mercury missions which put the first US astronauts into space.

Covering all missions and all models between 1965 and 1966, this is a prequel to Haynes's bestselling "Apollo 11 Manual", and details the technology that was trialed on the Gemini spacecraft in order to develop the Apollo systems that led to man landing on the moon. Published to coincide with the 50th anniversary of the first Gemini flight.