Apollo 11 Launch Director's loop, July 16, 1969. Track 1. McMahon to Firing Room 2 6:31 AM EDT. (T-3:00:25 Network problem 6:33. Chris Kraft checks network problem 6:47. Astronauts proceeding to 320 level. Side 2: Command Console check 7:1. Close first hatch T-2:07:11. Launch vehicle ready 7:31 T-2:01:00. First motion signal due at T-1:30:00, received at T-1:29:47. Track 2 Second hatch closed T-1:30:25. White Room technician cleans off the round center window T-1:26:33. White Room crew will be completed T-1:15:00. Third hatch T-23:20. Technician cleans two windows T-21:57. White Room crew given OK to depart T-1:10:44 Depart T-1:08:40. "We're go for launch" T-1:08:00. "Launch area clear" T-1:06:20. "Road block pulls back" T-0:53:00. Tape off the machine T-0:53:00. "Don"t launch it early Paul!" T-0:52:00.
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United States Space Program Oral History Collection [Kapp], Acc. NASM.XXXX.0138, National Air and Space Museum, Smithsonian Institution.