2
1939
7th
aeroplane
air
aircraft
airplane
army
attack
aviation
bomb
bomber
bulgarian
combat
drawing
fighter
force
gull
history
ii
illustration
light
line
military
navy
old
outline
p
plane
planes
poland
polish
profile
pzl
romanian
royal
second
side
speed
technology
transportation
war
warfare
weapon
wings
world
ww2