(n) force
unit
corps
echelon
element
(P)
(n) battalion
large force
(n) enemy forces
(n) commanding officer
(n) covering force
(n) overseas (military forces)
(n) Foreign Legion
(n) mobile troops
mechanized unit
mechanised unit
naval task force
(n) rapid force
(n) airborne troops
(n) attacking forces
(n) security force
public safety force
(n) main force
main troops
(n) advance troops
vanguard
(n) advance troops
(n) frontline troops
(n) armored corps
armoured corps
(n) rapid reaction force
(n) opposing forces
(n) garrisoned forces
(n) special (military) force
special (military) forces
(n) task force
(n) task organization
task organisation
(n) troop withdrawal
(n) the Peace Corps
(n) defending forces
(n) friendly troops
(n) adjacent units
(n) shock troops
(n) infantry