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Photograph 075717 Second World War, 1939-1945The gun crew firing the 4 inch Mark XIX gun on a Mark XXIII mounting aboard the RAN Corvette Geelong, while on convoy duty off the New Guinea coast.

The Australian War Memorial Collection. Test site
The gun crew firing the 4 inch Mark XIX gun on a Mark XXIII mounting aboard the RAN Corvette Geelong, while on convoy duty off the New Guinea coast.
The gun crew firing the 4 inch Mark XIX gun on a Mark XXIII mounting aboard the RAN Corvette Geelong, while on convoy duty off the New Guinea coast.

The gun crew firing the 4 inch Mark XIX gun on a Mark XXIII mounting aboard the RAN Corvette Geelong, while on convoy duty off the New Guinea coast.

AT SEA, 1945-05-22. MEMBERS OF THE GUN CREW FIRING THE 4 INCH QF MARK XIX GUN ABOARD THE RAN CORVETTE, HMAS ROCKHAMPTON, TO DISCOURAGE LOW ATTACK ON THE CONVOY BY ENEMY AIRCRAFT.

AT SEA, 1945-05-22. MEMBERS OF THE 4 INCH QF MARK XIX GUN CREW SPONGING OUT THE BARREL OF THEIR GUN ABOARD THE RAN CORVETTE, HMAS ROCKHAMPTON. THE VESSEL IS ON CONVOY DUTY.

C.1944. PORT SIDE VIEW OF THE CORVETTE HMAS STRAHAN (J363). SHE IS ARMED WITH A 4 INCH MARK XIX GUN ON A MARK XXIII MOUNTING. NOTE THE TYPE 271 RADAR LANTERN ABOVE THE BRIDGE. THE SHIP WEARS A CAMOUFL

OFF MAPIA ISLAND. THE 4 INCH MARK XIX GUN ON A MARK XXIII MOUNTING OF THE CORVETTE HMAS GOULBURN IN ACTION DURING A BOMBARDMENT. A SHELL IS BEING RAMMED HOME AS THE BREECH WORKER PREPARES TO CLOSE THE
