Military Periscope Logo

----- HISTORICAL RECORD -----

Mk 12 naval gun

Country of Origin: USA

The Mk 12 5-in/38-cal (127-mm) gun was used in single or twin mounts in all U.S. World War II-built aircraft carriers, battleships, cruisers and destroyers as well as numerous destroyer escorts, landing ships and auxiliary ships. The gun was housed in twin mounts (Mk 28/32/38) and in single mounts, both open (Mk 24/30) and shielded (Mk 30). Many modifications to these mounts were produced.

No longer in service.

Initial operational capability (IOC) was attained circa 1938. More...

Please log in to continue reading.

Not yet a subscriber? Take a free trial.

Military Periscope gives you easy-to-use, integrated, open-source intelligence on…

  • More than 7,500 weapons systems and platforms
  • Nearly every country's armed forces
  • Militant organizations
laptop image

Try Military Periscope free for seven days