Updated 22 February 2006

Greasing a gun mount on USS Hull DD-945
Note the monobloc gun barrel
USN Photograph # USN 1166035

Japanese Haruna Class Destroyer in action
Note that the AA fire-control domes have been removed and the basket for catching cartidge cases
Photograph courtesy of the JMSDF

USS Coontz DDG-40 in 1986
Note that the AA fire-control dome has been removed
U.S. Naval Historical Center Photograph # NH 97681-KN

5"/54 (12.7 cm) Mark 42 Mounting on USS Turner Joy DD-951 in April 1968
Note the cartridge case ejection chute below the gun barrel
U.S. Naval Historical Center Photograph # NH 98261

USS Turner Joy DD-951 firing off Vietnam in June 1968
Note the cartridge case being ejected from front of mount
USN Photograph # 1133001

5" (12.7cm) round
Note the grommet protecting the driving band and that the round is boat-tailed
USN Photograph # 1143901

Diagram of 5"/54 (12.7 cm) Mark 42 Mod 9
Sketch copyrighted by United Defense

Laser-guided 5" (12.7 cm) Paveway projectile developed in the 1970s at Dahlgren Laboratory, Virginia