Size Symbols
The following symbols placed either in boundary lines or above the rectangle, triangle, or circle inclosing the identifying arm or service symbol indicate the size of military organization:
| Squad | |
| Section | |
| Platoon | |
| Company, troop, battery, Air Force flight | |
| Battalion, cavalry squadron, or Air Force squadron | |
| Regiment or group; combat team (with abbreviation CT following identifying numeral) | |
| Brigade, Combat Command of Armored Division, or Air Force Wing | |
| Division or Command of an Air Force | |
| Corps or Air Force | |
| Army | |
| Group of Armies |
EXAMPLES
The letter or number to the left of the symbol indicates the unit designation; that to the right, the designation of the parent unit to which it belongs. Letters or numbers above or below boundary lines designate the units separated by the lines:
| Company A, 137th Infantry | |
| 8th Field Artillery Battalion | |
| Combat Command A, 1st Armored Division | |
| Observation Post, 23d Infantry | |
| Command Post, 5th Infantry Division | |
| Boundary between 137th and 138th Infantry |