US Army Technical Bulletin, TB 9-2320-280-35-2 1 SINGLE CHANNEL GROUND AND AIRBORNE RADIO SYSTEM (SINCGARS) AN/VRC-88F, AN/VRC-89F, AN/VRC-90F, AN/VRC-91F, AN/VRC-92F FORCE XXI BATTLE COMMAND, BRIGADE AND BELOW (FBCB2) PRECISION LIGHTWEIGHT GPS RECEIVER
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