Figure 6-15.Major components of the 5"/54 Mk 42 (Mod 10 shown).
the mount captain, who presses the OFF button. In both
instances, the rounds are fired using firing voltage
supplied from the fire control system. When firing is
controlled from the OMC station, the operator supplies
all the inputs normally received from the fire control
system. The operator positions the mount with the OMC
unit, while aiming with the telescopic sight, then fires
the gun using his/her own firing key. Note that the mount
captain has to physically give control of the mount to
the intended operator.
5"/54 MK 45 GUN
The 5"/54 Mk 45 gun, developed in the early 1970s,
is the newest of the 5" guns in the fleet today. It is found
aboard the DD-963, DDG-51, LHA-1, and CG-47 class