- 防空洞 fángkōngdòng bomb shelterAn underground structure designed to protect people from bombs and aerial attacks.
- 中高度防空 zhōnggāodùfángkōng HIMADhigh-to-medium-altitude air defense (HIMAD)
- 防空避难 fángkōngbìnàn air-raid evacuationevacuation to an air-raid shelter (Taiwan usage)
- 防空避难所 fángkōngbìnànsuǒ air-raid shelter