regular_army has definitions from the field of military
[ noun ] (military) a permanent organization of the military land forces of a nation or state


army ground_forces

Used in print

(Booton Herndon, "From Custer to Korea, The 7th Cavalry"...)

The troop received a new leader , Lieutenant_Robert_M._Carroll , fresh out of ROTC and bucking for Regular_Army status .

One of the more seriously wounded was Lieutenant_Carroll , the young officer bucking for the Regular_Army .

Today he is a major - in the Regular_Army .