Updated 17 January 2009
5"/51 (12.7 cm) mounted on USS Gilmer DD-233
in 1921
Note the lack of a gun shield
Three of the five destroyers equipped with
5"/51 (12.7 cm) guns circa 1930
From front to back: USS Kane (DD-235),
USS Hatfield (DD-231) and USS Brooks (DD-232)
Behind them is USS Lawrence (DD-250) with
her 3"/23 AA gun clearly in view but with just the end of her stern 4"/50
(10.2 cm) gun showing
U.S. Naval Historical Center Photograph
# NH 52227
USS Florida BB-30
Loading drill on 5"/51 (12.7 cm) gun in
1915
Note the powder bag, projectile, breech
screw and that one sailor is in bare feet
U.S. Naval Historical Center Photograph
# NH 78047
USS California BB-44
5"/51 (12.7 cm) guns in action during
Night Battle Practice in 1933
U.S. Naval Historical Center Photograph
# NH 55030
A visitor to USS Arkansas BB-33 in 1919
peers through the gunsight for a 5"/51 (12.7 cm) gun
Note the small spotting gun
Detail from U.S. Naval Historical Center
Photograph # NH 46317
5"/51 (12.7 cm) gun, possibly on USS Texas
B-35 circa 1915
Note how the gun mounting is recessed,
thus allowing easier loading
Bain News Service Photograph
Library of Congress Photograph ID LC-DIG-ggbain-10839
Side view of 5"/51 (12.7 cm) gun on USS
Black Hawk AD-9 circa1937-1939
U.S. Naval Historical Center Photograph
# NH 101147
Congressional delegation inspecting 5"/51
(12.7 cm) Mark 9 gun aboard Submarine V-1 (later USS Barracuda SS-163)
in December 1924
National Photo Company Collection
Library of Congress Photograph ID LC-DIG-npcc-12734
Performing a boring operation on a 5"/51
(12.7 cm) gun in 1917
The original caption for this picture
calls this a 5"/50 (12.7 cm) gun, but no guns of that size were built in
1917, the date of the photograph
Harris & Ewing Photograph
Library of Congress Photograph ID LC-DIG-hec-10064
5"/51 (12.7 cm) gun on USS Olympia (C-6)
now a memorial in Philadelphia, PA
Olympia was rearmed with a uniform battery
of these guns around 1916
Photograph copyrighted by Charley Seavey
27 December 2008 - Benchmark
17 January 2009 - Added picture of V-1