preparing for battle; gearing up for action
Describes a state of readiness for combat or a high-stakes confrontation. Often used in compounds like 臨戦態勢 (battle-ready posture) or 臨戦体制 (war footing).
The troops are already in a state of readiness for battle.
The prime minister ordered that preparations for war be put in place.
war preparation; battle readiness
Compound of 臨 (face, confront) and 戦 (war, battle). The exact historical derivation is uncertain, but the meaning 'facing battle' is transparent from the kanji.