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Mark 7 16-inch/50-caliber gun




Aboard the battleship USS IOWA (BB-61)

Crewmen work to move 16-inch projectiles brought aboard from a barge.

A view of several 1,900-pound high capacity (HC) projectiles in a handling room beneath one of the turrets. The blue projectiles in the background are 2,700-pound dummy projectiles.


A view of several 1,900-pound high capacity (HC) projectiles in a handling room beneath one of the turrets. The blue projectiles in the background are 2,700-pound dummy projectiles.


A petty officer tends a line as a 2,700-pound dummy projectile is drawn across the deck onto the rotating projectile ring in a handling room beneath one of the turrets.


As seen from above, a 2,700-pound dummy projectile travels up a hoist from a handling room.


As seen from abovve, a 2,700-pound dummy projectile travels up a hoist from a handling room.


A 1,900-pound high capacity (HC) projectile is hoisted up to the spanning tray.


Members of the gun crew place powder bags on the spanning tray.


The gun captain gives the signal to ram the powder bags on the spanning tray into the gun`s chamber.


A view of the breech end of the center gun inside the No. 2 turret.


A view of the closed breech.


A crewman releases the plug on the muzzle of the gun.




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