noun
army, navy and air force; land, sea and air forces
Refers collectively to the three branches of a nation's military. Often used in formal or organizational contexts.
陸海空軍の統合演習が行われた。
A joint exercise of the army, navy, and air force was conducted.
彼は陸海空軍のすべてに所属した経験がある。
He has experience serving in all three branches: the army, navy, and air force.
Compound of 陸 (land), 海 (sea), 空 (air), and 軍 (military forces).