Officer Field Uniform Insignia Location
from "The Officer's Guide" printed in 1942
Insignia on Shirt. When the olive-drab or khaki shirt
is worn without the coat, insignia is worn on the collar and on the shoulder
loop. (Par. 44, AR 600-40.)
On the collar, all officers except general officers of the line, on the right side, one inch from the end, the letters "U.S."; on the left side, one inch from the end, metal insignia indicating arm, service, bureau, etc. (It is standard practice to center the insignia on the shirt.)
The insignia authorized for warrant officers and enlisted men while students at an officer-candidate school will be worn on the left pocket.
Shoulder loop insignia is worn as stated below when the shirt is worn without the coat.
Shoulder loop Insignia. On each shoulder loop of the
service coat, the long overcoat, the short overcoat, the raincoat, the field
jacket, and the olive-drab shirt when worn without the coat, and on each shoulder
of work clothing and of aviators' outside suits or coats, metal or embroidered
insignia of grade will be worn as follows (Par. 45, AR 600-40): Second lieutenants
and first lieutenants wear the bar in the middle of the loop parallel to and
5/8 inch from sleeve end of loop. Captains place the bars in a similar manner
with the lower bar parallel to and 5/8 inch from sleeve end of loop. Majors
and lieutenant colonels place the leaves, point up, in middle of loop, stem
of leaf 5/8 inch from sleeve end of loop. The eagle worn by a colonel is placed
in the middle of the loop, head up, beak to the front, talons 5/8 inch from
sleeve end of loop. Brigadier generals place the star, point up, in the center
of loop. Major generals place the center of the two stars, points up, 2 1/4
inches apart, the stars equidistant from the sleeve end of the loop and the
outer edge of the button. Lieutenant generals place the three stars, points
up, equidistant each from the other. Generals place the four stars, points
up, equidistant one from the other.
When an officer wears the work uniform, insignia is worn as prescribed for the olive-drab shirt.