LYDOWATIRS TIST SERVICES UNIT, FROVISICIAL APO 1874 Soh Frendisco, Colifornia TSvCMNN SUBJECT: TO: li June 1958 Lettcr of Anpreciaticn Comnender Aerial Photo Elenent (Provisional) APO 187, Sen Francisco, Cal ifornia 1, The placing of the two RB-50!fs in orbit on tinc fcr the two underwater test shots is 2 very noteworthy fect. I érngratulate each person in APEP who contributed to its accomplishment, 2. Please convey to the crews and maintencncoa personnel of tho RB=50's my congratulations, Also, I wish to add my thanks and ap- preciation for the way they performed their jobs to bring about the accomplishment of their mission, We. He HEAL Colonel, US'F Comme nder BEST AVAILABLE COPY

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