8"/45 (20.3 cm) Mark 6
Pictures
Updated 03 April 2008
USS Rhode Island B-17 as troop transport
in May 1919
8"/45 (20.3 cm) guns are in the top level
of the dual-level turrets and in the amidships turrets
Note that the 6"/50
(15.2 cm) secondary guns have been removed from their hull casemates
U.S. Naval Historical Center Photograph
# NH 105660
After dual turret on USS Georgia B-15
The lower pair guns are 12"/40 (30.5 cm)
and the upper pair are 8"/45 (20.3 cm)
During gunnery drills off Cape Cod on
15 July 1907, ten officers and men were killed and another eleven injured
when a powder charge ignited prematurely on the 8" (20.3 cm) level of this
turret
U.S. Naval Historical Center Photograph
# NH 101469
Forward 8"/45 (20.3 cm) turret of USS Pittsburgh
CA-4 (ex-USS Pennsylvania ACR-4) in 1930
U.S. Naval Historical Center Photograph
# NH 71964
Breech of 8" (20.3 cm) gun believed to
have been aboard USS Rhode Island B-17
Note the hand crank for working the breech
mechanism. This was a more complicated, slower working mechanism,
which is why some US predreadnoughts also carried the more rapid-firing
7" (17.8 cm) guns.
U.S. Naval Historical Center Photograph
# NH 101086
Naval 8"/45 (20.3 cm) gun on US Army Railroad
carriage in 1938
U.S. Army Ordnance Department Photograph
