Original American World War Two Enlisted Army Air Corps Collar Brass, Early War Sweetheart Brooches a square with blue/yellow/red/blue horizontal

a square with blue/yellow/red/blue horizontal stripes (the Ox and Bucks Regimental flash)

the qualifying period was reduced to 30 days for full-time service and 90 days for part-time service

Assumed to be his non-combat helmet following his move to the 2nd Army

with Europe clasp

but it is also stamped U

Original American World War Two Enlisted Army Air Corps Collar Brass, Early War Sweetheart Brooches a square with blue/yellow/red/blue horizontalNot a mathing pair as one is screw back, the other clutch back, but both are multi piece early War construction and very similar visually from the front. Would look fine on a uniform.