noun
supply line; line of communications
Military term for the route or network used to transport supplies and personnel to the front. Also used metaphorically in business or logistics contexts.
敵の兵站線を断つことが作戦の鍵だった。
Cutting the enemy's supply line was the key to the operation.
長い兵站線を維
Maintaining a long supply line is difficult.
補給線 is a more common synonym for supply line, used in both military and general contexts. 兵站線 is more technical and military-specific.
Compound of 兵站 (へいたん, 'military logistics') and 線 (せん, 'line'). 兵站 is a relatively modern term, likely coined in the Meiji era for Western military concepts.