Gene Cernan - the second American to walk in space - outside the Gemini 9 spacecraft, June 5, 1966. 
Cernan spent 2 hours 10 minutes in space during extravehicular activities. He later walked on the moon (Apollo 17).

Gene Cernan - the second American to walk in space - outside the Gemini 9 spacecraft, June 5, 1966.

Cernan spent 2 hours 10 minutes in space during extravehicular activities. He later walked on the moon (Apollo 17).