Shown here are 127 mm (5 in/25) AA guns onboard the battleship USS New Mexico being prepared to fire against Japanese coastal defences during the bombardment of Saipan, 15th June, 1944. Note time-fuze setters on the left-hand side of each gun mount, each holding three 'fixed' rounds of ammunition; note also barrels of 20 mm (0.79 in) Oerlikon guns at the extreme right, and triple 356 mm (14 in/50) guns in the background. Taken from the net.
