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United States' Squadron and Group Codes

These are the codes that would appear on the side of the fuselage to indicate what unit the aircraft belonged to. For example this fighter, code QP, would belong to the 334th FS of the 4th FG or 2nd FS of the 52nd FG. The Corgi Model says it belongs to the 334th FS.

• BG: Bomber Group
• BS: Bomber Squadron
• FG: Fighter Group
• FS: Fighter Squadron
• NF: Night Fighter
• NFS: Night Fighter Squadron
• OTU: Operational Training Unit
• PG: Pathfinder Group
• PS: Pathfinder Squadron
• RG: Reconnaissance Group
• RS: Reconnaissance Squadron
• TCG: Troop Carrier Group
• TCS: Troop Carrier Squadron
• TRG: Training Group
• TRS: Training Squadron
• VB: Navy Bomber Squadron
• VF(N): Navy Night Fighter Squadron
• VMF(N): Marine Corps Night Fighter Squadron
• VS: Scouting

Sources:

1. USAAF Handbook 1939 - 1945, Martin W. Bowman, 1997
2. Mosquito Photo-Reconnaissance Units of World War 2, Martin Bowman, 1999
3. American Nightfighter Aces of World War 2, Andrew Thomas, Warren Thompson, 2008
4. B-25 Mitchell Units of the MTO, Steve Pace, 2002
5. B-17 Flying Fortress Units of the MTO, William N Hess, 2003
6. B-17 Flying Fortress Units of the Pacific War, Martin Bowman, 2003
7. P-40 Warhawk Aces of the Pacific, Carl Molesworth, 2003
8. P-61 Black Widow Units of World War 2, Warren Thompson, 2000
9. Helldiver Units of World War 2, Barrett Tillman, 1997
10. SBD Dauntless Units of World War 2, Barrett Tillman, 1998