S66-25778 (16 March 1966) --? The Agena Target Docking Vehicle seen from the National Aeronautics and Space Administration?s Gemini-8 spacecraft during rendezvous in space. The Agena is approximately 260 feet away from the nose of the spacecraft (lower left). Crewmen for the Gemini-8 mission are astronauts Neil A. Armstrong, command pilot, and David R. Scott, pilot. Photo credit: NASA