A military force is a group of personnel organized for the purpose of defending a nation or engaging in warfare. The term 'UNIT' (4 letters) refers to a small group of soldiers, such as a platoon or company. An 'ARMY' (4 letters) is a larger organization composed of multiple units. A 'LEGION' (6 letters) is an even larger military force, usually consisting of several thousand soldiers. The 'NAVY' (4 letters) is a branch of the military that operates on the sea and is responsible for defending a nation's coastline. A 'CORPS' (5 letters) is a large military UNIT composed of two or more divisions. Finally, 'ARMAMENT' (8 letters) refers to the weapons and equipment used by a military force.