noun
national armed forces; national military
Refers to a country's military forces as a whole, often in contrast to local or foreign forces.
その国の国軍は大規模な演習を行った。
The country's national armed forces conducted a large-scale exercise.
軍隊 is a more general term for military forces or troops, while 国軍 specifically emphasizes the national character of the forces.
Compound of 国 (country, nation) and 軍 (army, military).