Query: *
Archival Materials
"Reinforcement of gun sight on Bell P-39, P-39 C and P-39D airplanes." Source: War dept. O.C.A.C. Technical order 01-110F-11. First series.
Level:
file
Dates:
Dec. 15, 1941.
Collection ID:
NASM.XXXX.0428
Repository:
National Air and Space Museum Archives