Astronauts James A. McDivitt (leading), command pilot; and Edward H. White II, pilot, walk up the ramp at Pad 19 during the Gemini-Titan 4 (GT-4) prelaunch countdown.
Astronauts James A. McDivitt (leading), command pilot; and Edward H. White II, pilot, walk up the ramp at Pad 19 during the Gemini-Titan 4 (GT-4) prelaunch countdown.