Documents / Official release

Preliminary Gemini 4 Crew Debriefing, Part I, 1965

National Aeronautics and Space Administration · 1965-06-09 · 340 pages · text from the file's own layer

This is a preliminary transcript of Part I of the Gemini 4 (GT-4) flight crew debriefing. The Spacecraft Operations Branch of NASA's Flight Crew Support Division prepared it on June 16, 1965, from recordings of the debriefing held aboard the USS Wasp on June 9, 1965. In it, astronauts McDivitt and White describe the mission from an operational viewpoint, covering countdown, powered flight, insertion, orbital operations, reentry, landing and recovery. According to the preface, visual sightings were left for a later part.

From the source: Release of 2026-06-12 Incident: 6/9/65, North Atlantic Ocean. This document is a preliminary transcript (Part I) derived from voice recordings of the Gemini 4 flight crew debriefing taken aboard the recovery ship, USS Wasp, on June 9, 1965. Astronaut Ed White recounts seeing “sparkles” during the flight.

TABLE OF CONTENTS
Paragraph Page Number
1. 0 COUNTDOWN
1 . 1 Crew Insertion . ... ................... . . . .. . 1
1. 2 Cornmlll1ications . . . . . ............... .. ... . .. .. 2
1 . 3 Crew Participation and Countdown .... ..............-..6
1.4 Comfor t . ....................... . . 7
1. 5 Environmental Control System .................... ' ..... . ,9
1. 6 Sounds ...... . .... 11
1 . 7 Vibrations .. . . ... 13
1. 8 Visual .. . ....... .. . . ... 13
1.9 Crew Station Controls and Displays .1 5
2. 0 POWERED FLIGHT
2 . 1 Lift- Off Cues ....................... 17
2. 2 Roll Program
2. 3 Pitch Program ... . ..... 19
2. 4 Aerodynamics .... . 20• • M • •
2. 5 Environmental Control System . .... "" ............... 20
2. 6 Maximum g ....... . ....... 21
2. 7 Windshear ...... . . . ...... 21
2. 8 DCS Update ........................ 22• • • • • • • M. •
2. 9 Engine 1 Operation ..... . 22
2. 10 Engine 2 Status .. . .23
2.11 Accel eration g's .. . . ........ 23
2. 12 BECO ........ . ...... . . ........ 24
2. 13 Staging . . . ...... . .. ....................25
2. 14 Engine 2 Ignition . .. 25
2. 15 RGS Initiate .... . ... 26
2. 16 GO/NO GO . ............. . ... .... ...... .... . .. 28
2.17 Systems Status ........ . ' .... . ..... 28
2 . 18 Acceleration ................... . . .. .. 31
2.19 SECO . ....... . ...................... . .... 31
2. 20 Steering ....................................... . . .. .... 32
3.0 INSERTION
3.1 Post- S.EDO •... 34
3.2 SECO + 20 Seconds ................ .. 35
3.3 Insertion Activities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
ORBITAL FLIGHT
4. 1 Station- Keeping ....... .... .. ......... . .......... ... 50
4.2 Extravehicular Activities ............ . . ......... - ..87

Cases discussed

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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 340 pages are in the text index: search them above, or from the library's search.