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This Black Vault release contains the Air Force's 2001 response from the 341st Space Wing FOIA office at Malmstrom AFB, Montana, to a request about the 16 March 1967 Echo Flight missile shutdown, with excerpts from 341st Strategic Missile Wing histories covering 1967 to early 1968. The histories say all ten Echo Flight launch facilities lost strategic alert almost simultaneously. Investigators could not find a logical cause and found rumors of UFOs near Echo Flight to be unfounded.
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A preliminary analysis was made of the Fault Isolator Test Tape (FITT) from LF, D-7 and E-8. Targeting support was schedualed for a G&C Channel 50 data dump at LF's E-2 and E-9 which, although returned to alert, were still felt to possess useful data. The investigation was held in suspense until the arrival of the OOAMA team on 18 March 67. 67 Echo Flight incident was approached in four ways in the investigation: 68 a. Review of events on or near 16 March 67 and of flight configuration. b. Investigation, and where possible elimination, of circumstances which may have been responsible for the incident. c. Investigation of means of causing the results which were noted at the time of shutdown. d. Investigation of similar events. In reviewing the events of the incident, the LCC crew was questioned by Wing Maintenance Evaluation Team (DCMET), COAMA, and Boeing Company personnel on 16 March 67. 69
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