戦せん闘とう支し援えんせんとうしえんMeanings1nouncombat supportMilitary term for support activities that directly assist combat operations, such as logistics, engineering, or medical support in a combat zone.戦せん闘とう支し援えん部ぶ隊たいが前ぜん線せんに物ぶっ資しを届とどけた。The combat support unit delivered supplies to the front line.