The castle was built during World War II as an air defense base against German bombers.

该城堡建于二战期间，是个用于抵御德国轰炸机的防空基地。

youdao

The competent departments for civil air defense shall be responsible for the maintenance and management of civil air defense works for public use.

公用的人民防空工程的维护管理由人民防空主管部门负责。

youdao

All organizations and individuals are prohibited to destroy or seize civil air defense facilities.

禁止任何组织或者个人破坏、侵占人民防空设施。

youdao

"They're just doing their military preparedness and doing their operational exercises and it's for those air defense purposes, and anti-ship purposes.

VOA: standard.2009.05.26

Alperovich greeted the younger Powers in Moscow with a long and firm handshake at the Almaz-Antey Air Defense Company, which designed the weapon.

VOA: standard.2010.05.07

Venezuelan President Chavez said in Moscow Sunday he had obtained a $2.2-billion line of credit from Russia for 90 T-72 tanks and an advanced long-range air defense system.

VOA: standard.2009.09.15

McCain, a Vietnam War veteran, said that any such effort would require taking out Syria's air-defense systems.

CNN: McCain calls for airstrikes on Syria

Subsequently, a U.K. Trafalgar Class submarine fired Tomahawk Land Attack missiles at air-defense targets in Libya, Britain's Defense Ministry said.

WSJ: Allied Forces Attack Libya

As a practical matter, an immediate deployment can only take place at the moment by using the Navy's Aegis air-defense ships.

CENTERFORSECURITYPOLICY: Center For Security Policy