645 - FIELD ARTILLERY FIRE CONTROL MAN
[FA FC MAN]
Performs one or more duties incident to the collection or compilation of field artillery firing data.
Operates such instruments as aiming circle, azimuth instrument, battery commander's telescope, one-meter base range finder, field glass, and pocket compass; interprets metro message; uses graphical firing table to assist battery commander in making trigonometric and ballistic calculations to obtain data for the preparation and conduct of artillery fire; performs related fire control duties as required, such as sound or flash ranging observation or survey operations.
May supervise a crew in setting up, adjusting, and operating field artillery fire control and survey instruments. Must understand basic principles of field artillery fire control and proper use of field artillery fire control equipment.
