HEAVY BOMBER

SN Long-range, usually four-engined, bomber designed to carry a large bomb payload.
CL AIRCRAFT TYPE
BT BOMBER
NT B17 FLYING FORTRESS
B24 LIBERATOR
B29 SUPERFORTRESS
GOTHA GV
HALIFAX
HE177
LANCASTER
LINCOLN
PB4Y LIBERATOR
STIRLING
V1500
VIMY
WHITLEY