army, ground forces, regular army - a permanent organization of the military land forces of a nation or state

naval forces, navy - an organization of military naval forces

coastguard - a military service responsible for the safety of maritime traffic in coastal waters

air force, airforce - the airborne branch of a country's armed forces

force, military force, military group, military unit - a unit that is part of some military service; "he sent Caesar a force of six thousand men"

armed forces, armed services, military, military machine, war machine - the military forces of a nation; "their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker"

personnel, force - group of people willing to obey orders; "a public force is necessary to give security to the rights of citizens"