Gerald Carr was an American astronaut selected by NASA in April 1966. Carr served as a member of the astronaut support crews and as CapCom (Capsule Communicator) for the Apollo 8 and Apollo 12 missions, was involved in the development and testing of the Lunar Roving Vehicle, and was commander of Skylab 4.

In mid-1974 Carr was appointed head of the design support group within the Astronaut Office, responsible for providing crew support to activities such as space transportation system design, simulations, testing, and safety assessment, and for the development of man/machine interface requirements. He retired from the Marine Corps in Sep 1975 and from NASA in June 1977. Carr went on to become President of CAMUS, Inc. of Little Rock, Arkansas, director of the Arkansas Aerospace Education Center in Little Rock, and a consultant on special staff to the president of Applied Research, Inc., Los Angeles. He also worked with fellow astronaut William Pogue on Boeing's contribution to the International Space Station, specializing in assembly extravehicular activity, responsible for providing crew support to activities such as space transportation system design, simulations, testing, and safety.