2 Free Photos of 52 Calibre

The Panter howitzer 155 mm/52-calibre towed howitzer gun
vehiclegun
US Navy 100817-N-7948R-199 Fire Controlman 2nd Class Geoffrey Bell uses a local control panel to place a close-in weapons system (CIWS) in aim calibrate mode during a calibration firing exercise
aboard uss pearl harbor (lsd-52)
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