Wally Sawyer

Walter "Wally" Sawyer (1926-1992) was an American military officer, test pilot, and U.S. Air Force astronaut. In the mid-1950s, he became one of the original astronauts chosen for Project Liberty, which was the United States' first effort to put human beings into space.

Basis
He is based on Mercury, Gemini, Apollo-era NASA astronaut Wally Schirra.