military science; strategy; tactics
Refers to the academic study of warfare, including strategy and tactics. Often used in historical or formal contexts.
He majored in military science at university.
This book explains the basics of modern military science.
Compound of 兵 (hei, 'soldier, warfare') and 学 (gaku, 'study, learning'). The term has been used since the Edo period to denote the systematic study of military affairs.