gun position officer

gun position officer's assistant

field officer (field-grade officer / senior officer)

launching position (missile position)

changeover from travelling position to fire position

position and navigation unit / position navigation unit (PNU)

in position / in-position

commanding officer's position finder

bring a gun into firing position

manhandle a gun into position

terrain gun position correction

satellite gun position

machine-gun position

L119 light gun (105 mm light gun)

submachine gun / sub-machine gun (SMG; smg)

gun control equipment / gun-control equipment (GCE)

duck gun (duck-gun)

flame gun / flaming gun

gun by gun

alternate position

angular position

artillery position

attack position

battle position

bivouac (area / position)

blocking position

concealed position

consolidation of a position

covered position

defensive position

direct laying position

dummy position

fix the position