作さく戦せん上じょう

noun which may take the genitive case particle 'no'

operational; strategic

Used to describe something from the standpoint of strategy or operations, often in military, business, or game contexts. Functions as a no-adjective modifying a noun.

• 作さく戦せん上じょうの理り由ゆうで、その情じょう報ほうは公こう開かいされなかった。

  For operational reasons, that information was not disclosed.

• 彼かれは作さく戦せん上じょうのミスを認みとめた。

  He admitted a strategic mistake.