This is the M-6 quad M60C machine gun system tested on a TAC UH-1F in the 1960s. Tests were also conducted with psywar BS speaker systems
UH-1F with an antenna suspended 45 inches below for detecting low-flying aircraft. The antenna was tried at Wright-Pat, and that the device was retracted on the left side hard point There appears to be a test unit emblem on the cargo door.
PHOTOS & COMMENTS COURTESY OF WAYNE MUTZA