a merlin mk 4 helicopter flying over farmland and fields as it approached the royal marine base of hms condor

arbroath colliston condor drizzle grey hmns helicopter merlin overcast scotland mk4 augusta westland aw101 flying aircraft military royal navy navyas commando force chf marines tree april afternoon field shelter gray haar low cloud limited visibility rotors rotor blades treeline exercise branchesovercast rain fields farmland fence turning approached marine base hms conditions