skeleton drill order

drill order

close order drill

skeleton

skeleton crew

skeleton enemy

skeleton equipment

skeleton in triangulation point

skeleton maneuver

skeleton service

skeleton triangulation

drill

drill ammunition

drill and ceremonies

drill cartridge

drill instructor (DI)

grass drill

tactical drill exercise

battle drill(s)

drill munition

meteorological drill

ditching drill

battery drill

combat drill

crew drill

drill time

elementary gun drill

action drill

aiming drill

wet-net drill

weekend drill (training)

nonpay drill status

immediate-action drill