3"/23.5 (7.62 cm) Marks 4 and 14
3"/23 (7.62 cm) Marks 7, 9, 11 and 13
Pictures
Updated 14 January 2011
Retractable 3"/23 (7.62 cm) on USS L-1
(S-40) in 1918
Note the circular gun shield. This
shield became the hatch cover when the gun was retracted.
In the left background is USS Nevada (B-36)
U.S. Naval Historical Center Photograph
# NH 752
Retractable 3"/23 (7.62 cm) on submarine
USS O-7 (S-68) circa 1918
Note how the gun barrel fits through the
hatch cover and the ready ammunition at the base of the mounting
U.S. Naval Historical Center Photograph
# NH 103438
Side view of 3"/23 (7.62 cm) gun
3" (7.62 cm) Gun Carriages on USS Galveston
(C-17) in March 1920
U.S. Naval Historical Center Photograph
# NH 50275
Cutaway sketch of 3"/23 (7.62 cm) Common
projectile
The dashed line on the far right represents
a tracer element
Cutaway sketch of 3"/23 (7.62 cm) ammunition
Page History
31 May 2008 - Benchmark
14 January 2011 - Added cutaway sketch