NASA ID: 66-H-981
Date: 7-15-66

Gemini 10 astronauts Michael Collins, pilot, right front, and John W. Young, command pilot, behind Collins, examine experiments they were to carry aboard their spacecraft during the National Aeronautics and Space Administration's planned three-day Earth orbital mission. The Astronauts were lofted into space at 5:20pm, EST, July 18, 1966, atop a Titan launch vehicle, 100 minutes after their Agena target vehicle was orbited from Cape Kennedy.

Source: NASA photo in my possession