Astronaut Edward White being weighed and balanced in spacecraft seat

S65-19585 (21 May 1965) --- Astronaut James A. McDivitt, command pilot for the Gemini-Titan 4 prime crew, participates in a weight and balance test during a wet mock simulation exercise at Cape Kennedy, Florida. The two-man Gemini-4 mission, scheduled no earlier than June 3, 1965, will orbit Earth 62 times in four days. Astronaut Edward H. White II (out of frame) is the GT-4 prime crew pilot.