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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.
“Seattle”11 pages
1 2 PARTIAL AND ADDRESS THE BOXING COMPANY P.O. Box 395 SOUTH 24, WASHINGTON ENGINEERING CHANGE PROPOSAL DATE 1 FIGURE A 1377 WG NO. 81205 CUSTOMER ID WS-133A LIT. NO. 1141-2 TITLE REV R CORREL 2 CONTRACTING INFORMATION 3 CONTRACTING FROM MONITOR BOX CONTRACT SPECIFICATION 4 NAME OF PARTNER IN ASSISTANCE INTERconnecting Box PARTING OF INSTITUTION FORM See page 3 5 HISTORY OF CHANGE Provide Protection for Monitor Lines for VRSA Channels 26 and 27 6 DELIVERY IN CHANGE A. This change will add (2) two isolation relays to the Interconnecting Box and reroute the wiring so as to connect these relays into the VRSA monitoring circuits. B. The MCL for the "Phone Two" power fix will alter the sensing at the RPLE end of the monitor circuits to re-establish the correlation of sensing and monitor reporting as defined under ECP 857 W2. C. Interchangeability: The configuration of the Figure A 1377 Interconnecting Box resulting from this change will not be interchangeable with prior configurations of the item. D. Items in lines 16, 17, 18, 19 and 20 which are not checked (x) are not affected. 7 See ECP 1141 R x See ECP 1141 R 8 DEVELOPMENT REQUIREMENT None, the development of Figure A 1377 has been completed. 9 ALTERNATIVE SOLUTIONS None 10 PRODUCTION PROCEDURE 11 ESTABLISHED POST FOR CHANGE IN PRODUCTION See ECP 1141, Page 12 PLACEMENT FOR AUGMENT 13 RESPONSE TO CHANGE
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