noun which may take the genitive case particle 'no'
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.
For operational reasons, that information was not disclosed.
He admitted a strategic mistake.
Compound of 作戦 (sakusen, 'operation; strategy') + 上 (jō, 'from the standpoint of; in terms of').