afghanistan
air
aircraft
airforce
airplane
america
american
army
aviation
background
blades
britain
camouflage
cargo
carrying
ch47
chinook
chopper
defense
engine
flight
fly
force
heavy
helicopter
iraq
landscape
lift
marine
military
mission
navy
netherlands
operation
pilot
plane
raf
rotor
royal
sky
soldier
tandem rotor
transport
transportation
travel
troop
us army
vehicle
war
weapon