← Open UAP
NASAJune 12, 2026PURSUE Release 03 (June 2026)

NASA-UAP-D018, Gemini 4 Experiment Debriefing, 1967

Low Earth Orbit

Summary

Gemini IV was the second crewed mission of the Gemini series. Astronauts James McDivitt and Edward White successfully completed the four-day flight between June 3 and June 7, 1965.

Key highlights

  • The GT-4 mission aims to demonstrate manned space flight for four days.p.11

    “This GT-4 mission is intended to further demonstrate manned space flight for a period of four days.”
  • Three additional flight activities include extravehicular activities and rendezvous demonstrations.p.3

    “Demonstration of extravehicular activities (EVA) using a 25 foot umbilical.”
  • The G4C spacesuit features a triple visor and improved thermal protection.p.4

    “The G4C suit has the following new features: a triple overvisor.”
  • The mission will utilize a new zero-g Integral Propulsion Unit for maneuvering.p.7

    “The extravehicular maneuvering will be accomplished using a zero g Integral Propulsion (ZIP) Unit.”
  • The spacecraft will reenter and land approximately 400 miles southwest of Bermuda.p.8

    “the spacecraft will reenter and touchdown approximately 400 miles southwest of Bermuda.”

Source

Department of War — PURSUE / NASA
Public domain (US Government work)
No known restrictions

View on Department of War — PURSUE / NASA →

How records are sourced →

More from NASA

All NASA records →