Incident · March 1967 · Malmstrom AFB, Montana

Malmstrom AFB missile shutdown

Partly explained. The wing history says UFO rumours around Echo Flight were "disproven" and traces the shutdown to a noise pulse in the logic coupler; the Oscar Flight account rests on later testimony. (341st Strategic Missile Wing histories, January 1967 – March 1968 (Echo Flight incident), FOIA release)

In March 1967, two flights of Minuteman nuclear missiles at Malmstrom Air Force Base, Montana, went into a "no-go" (unlaunchable) condition. On 16 March all ten missiles of Echo Flight shut down. Former Air Force officer Robert Salas says that at Oscar Flight, where he was deputy crew commander, above-ground security guards reported a glowing reddish-orange oval object about 30 feet across hovering over the launch facility gate, and that six to eight of his ten missiles then dropped offline one after another.

Salas has spoken publicly about the event, including at the National Press Club in 2001, and links the shutdowns to UFO activity at nuclear sites.

The 341st Strategic Missile Wing's own histories, released under FOIA, document the Echo Flight shutdown of 16 March but state that rumours of UFOs around Echo Flight "were disproven": a strike team and the base radar squadron reported nothing unusual. Engineering tests traced the fault to a noise pulse reaching the Minuteman I logic coupler. The histories contain no record of the Oscar Flight event; Salas's account of it dates from decades later.

Sources: Disclosure Project press conference (2001) · 341st Strategic Missile Wing histories 1967–68 (FOIA) · Wikipedia

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