BOMBARDIER (509)

Releases bombs on enemy targets from a bombardment airplane.

ELECTRICIAN, HARBOR DEFENSE (571)

Performs minor maintenance and repair on electrical facilities of harbor defense installations, including port telephone switchboards, telephones, cables, field wire systems, time interval machines, searchlights, and power panels.

FIRE CONTROL ELECTRICIAN, ANTIAIRCRAFT (GUN) (634)

Maintains antiaircraft fire control equipment used with 90-mm, 1O5-mm, 120-mm, and 3-inch guns, including directors, data transmission systems, and height Enders.

FIRE CONTROL ELECTRICIAN. ANTIAIRCRAFT (AUTOMATIC WEAPONS) (633)

Maintains antiaircraft fire control equipment used with 37-mm and 40-mm automatic weapons, including directors and data transmission systems.

FIRE CONTROL INSTRUMENT OPERATOR, FIELD ARTILLERY (645)
Computer, Fire Director
Horizontal Operator
Vertical Operator

Prepares firing chart for vertical and horizontal control, using protractor scale and straightedge showing battery positions, check points, base points, targets, elevations, front lines, minimum and maximum ranges, and zones or sectors of supported units.

FLASH RANGING OBSERVER (576)
Flash Ranging Chief
Flash Switchboard Operator

Observes flash of enemy guns or shell burst of friendly artillery from one of several observation posts to provide means of locating the position of gun or burst.

FLIGHT ENGINEER (737)

Operates the engine control panel on very heavy multiple-engine airplanes.

GUN CREW/MAN, MEDIUM ARTILLERY (864)

Ammunition Handler
Cannoneer
Ammunition NCO
Gunner

As a crew member of a 155-mm Howitzer or Gun, 4.5-inch Gun, or 8-inch Howitzer, using separate loading ammunition assists in moving, emplacing, firing, displacing, and withdrawing the piece in combat operations.