noun
tactical operations center
Military term for a ground operations command post.
陸上作戦本部は前線から離れた場所に設置された。
The tactical operations center was set up away from the front line.
Compound of 陸上 (rikujō, 'ground, land') + 作戦 (sakusen, 'operations') + 本部 (honbu, 'headquarters').