civil air service

基本解释

This private-owned airway is allowed to operate a new civil air line service.
这家私营航空公司获准开办一条新的民用航线。
From this text, we can see it is a good project to build civil air defense work in central service area of residential area.
经过分析说明，在居住区的服务中心区域结合是一种可以兼顾各方需求的方案。
Article 82 An air traffic control unit shall provide air traffic services to civil aircraft in flight, including air traffic control service, flight information service and alerting service.
第八十二条空中交通管制单位应当为飞行中的民用航空器提供空中交通服务，包括空中交通管制服务、飞行情报服务和告警服务。

We track important developments in homeland security policies and programs in the United States National Guard, the Federal Emergency Management Agency, the United States Coast Guard, U.S. Customs and Border Protection, U.S. Immigration and Customs Enforcement, United States Citizenship and Immigration Services, the United States Secret Service, the Transportation Security Administration, and Civil Air Patrol.
CENTERFORSECURITYPOLICY: Homeland Security