noun
tactics; use of troops
Refers to the strategic deployment and maneuvering of military forces.
彼は用兵の天才と呼ばれた。
He was called a genius of tactics.
この戦いでは、巧妙な用兵が勝利を決めた。
In this battle, clever use of troops decided the victory.
Compound of 用 (use, employ) and 兵 (soldier, troops). The exact historical derivation is uncertain, but the term has been used in military contexts to refer to the employment of soldiers.