Army Schools

U.S. Military Academy (1)	Officer Candidate School (2)	Field Artillery School (3)	Ordnance Officer Candidate School (4)	Armored School (5)	Infantry School (6)
1941	1941	c1942	c1941	c1942

Training Elements

Specialized Training Program	Specialized Reserve Training Program	Replacement and School Command	Service Forces Training Center
1943	1944	1943	1944

Airborne Command (7)	Amphibious Training Command (8)	Camp Hood Tank Destroyer Center (9)
1943	1942	c1943

Demonstration Units

Armored Force Demonstration Regiment (10)

c1942

Recruiting and Replacement Elements

Recruiting (11)	Replacement Depot
Unknown	1943

Notes:

1. Not worn by cadets.
2. Not a shoulder sleeve insignia
3. Pocket Patch not War Department Approved during W.W. II
4. Courtesy: Lars Kleine (patch unofficial worn same as OSC insignia)
5. Not War Department approved (Courtesy: Bob Capistrano)
6. Courtesy: Bob Capistrano
7. This patch was worn by the 555th Parachute Infantry Battalion as well as other Airborne Command personnel.
8. Approved as a pocket patch, but also used as a shoulder sleeve insignia post-war.
9. Not War Department approved
10. Not War Department approved (Courtesy: Bob Capistrano)
11. Not War Department approved Courtesy Lars Kleine