1949-02-6792613-SandiaBase-N-M--[Illegible]-

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HEADQUARTERS FOURTH ARMY FORT SAM HOUSTON, TEXAS > ebruayss 4 conventi or General el Comand and SsiFIED ‘ UNCLA B/i, AC of &, G~2, Be Fourth Army, 152.1 AKADE, 26 Feb U9, sudj, "Unconver~ ‘ tiounl Airersit" (10) Exhaust trail: Blue fleme, 1, to 5 times length of object. “2, francit measurements teken et O750 showed faliowing reedines: (2) Appearence: Verticel eximuth: 55° 01" 00" Horisentel eeimith: 221° 307 99° {b)~ Dizappeerance : Vertioal azimuth: 05° 09° 03" Horisowtal msiamths 166° 20+ 90"...