airdrops

n.delivery of supplies or equipment or personnel by dropping them by parachute from an aircraft

"until then, front line troops will be supplied by airdrop"

1. The military performed an airdrop of supplies to the isolated village.
   军队向那个孤立的村庄进行了物资空投。
2. Several airdrops were made to provide aid to the disaster-stricken area.
   进行了几次空投以向受灾地区提供援助。