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FD-36 (Rev, $-22-84) ®@ @ FBI Date: 12/29/71 Transmit the following in {Type ia plaintext or code? Via TELETYPE URGENT (Priority) et eh em hie et in pial a teh ay A — ae a a ee ee ee oe DIRECTOR, FBI (164-2111) SAC, SPRINGFIELD SAC, MINNEAPOLIS FROM: SAC, SEATTLE (164-81) NORJAK. RE: SEATTLE TEL TO THE BUREAU DECEMBER TWENTYEIGHT, LAST. FOR THE INFORMATION OF SPRINGFIELD, ARRANGEMENTS ARE BEING MADE TO HAVE VOLUNTARY AIR FORCE PERSONNEL PARACHUTE FROM THE IDENTICAL PLAN£ INVOIW ED IN THIS CASE. ARRANGEMENTS INVOLVE AIR FORCE AND NORTHWEST AIRLINES AND JUMPS WILL BE MADE AT AN AIR FORCE TRAINING AREA NEAR MOSES LAKE, WASHINGTON. PURPOSE OF THIS EXPERIMENT IS TO DETERMINE IF IT IS POSSIBLE TO PINPOINT THE TIME WHEN UNSUB ACTUALLY LEFT THE AIRCRAFT AND WHETHER THIS WAS CAUSE OF OSCILLATION AND CABIN PRESSURE CHANGEP EXPERIENCED BY CREW. AIR FORCE PERSONNEL AT MC CHORD AIR FORCE BASE ARE READILY AVAILABLE AND COOPERATIVE AND TWO INDIVIDUALS HAVE VOLUNTEERED TO PARACHUTE FROM PLANE. HOWEVER, AUTHORITY FROM HEADQUARTERS MILITARY AIR LIFT COMMAND, SCOTT AIR FORCE BASE, IS NEEDED PRIOR TO AIR FORCE PARTICIPATION. MESSAGE REQUESTING INFORMATIO WAS SENT THIS DATE TOL___ SCOTT AIR FORCE BASE BY PERSONNEL AT BY-~B0— SDLS (1) JSD/slb ‘ Ss if A Me Approved: sen ned a) Phe rata ff DB Cooper-5487 Special Agent YJ, S. GOVERNMENT PRINTING OFFICE: 1971 419195