Molders (MLs) operate foundries aboard ship and
at shore stations. They make molds and cores; rig
flasks; prepare heats; and pour castings of ferrous,
nonferrous, and alloy metals. They also clean castings,
pour bearings, and perform organizational and
intermediate maintenance on assigned equipment and
in support of other ships.
Opticalman. The insignia for the Opticalman
(OM) rating is a representation of lenses crossed by
lines of light.
OMs perform organizational and intermediate
maintenance on small navigational instruments,
binoculars, gunsights, sights, and range finders. They
also perform maintenance on submarine and turret
periscopes, night vision sights, and other optical
Patternmaker (PM) rating is a wooden jack plane.
PMs make wooden, plaster, and metal patterns as
well as core boxes and flasks used by Molders in Navy
foundries. PMs mount patterns on match plates and
follow boards for production molding and make plaster
patterns, full-scale layouts of wooden patterns, core
boxes, and templates. They also
patterns and perform organizational
maintenance on assigned equipment
index and store
and in support of
MAINTENANCE/WEAPONS). This occupational
field consists of the Aircrew Survival Equipmentman
(PR), Aviation Electricians Mate (AE), Aviation
Electronics Technician (AT), Aviation Machinists
Mate (AD), Aviation Maintenance Administrationman
(AZ), Aviation Ordnanceman (AO), and Aviation
Structural Mechanic (AM) ratings.
Aircrew Survival Equipmentman. The insignia
for the Aircrew Survival Equipmentman (PR) rating is
a winged parachute.
PRs inspect, maintain, and repair parachutes,
survival equipment, and flight and protective clothing
and equipment. They pack and rig parachutes, pack and
equip life rafts, and repair and test oxygen regulators
and liquid oxygen converters removed from aircraft.
PRs also fit and maintain oxygen masks, flight clothing,
antiexposure suits, and antigravity suits. They also
operate and maintain carbon dioxide transfer and
recharge equipment, operate and repair sewing
machines, conduct special calendar/periodic
inspections of survival equipment, and supervise the
operation of parachute lofts and survival equipment
Aviation Electricians Mate.The insignia for
the Aviation Electricians Mate (AE) rating is a winged
AEs maintain electrical and instrument systems,
including power generation, conversion, and
distribution systems. They maintain aircraft batteries,
interior and exterior lighting, and the electrical controls
of aircraft systems, including hydraulic systems,
landing gear, flight control systems, utility and power
plant engines, and flight and noninstrument types of
indicating and warning systems. They also maintain
automatic flight control and stabilization systems;
aircraft compass systems; attitude reference systems;
and inertial navigation systems.
Aviation Electronics Technician. The insignia
for the Aviation Electronics Technician (AT) rating
consists of a winged helium atom.