Air Defense Operations Area
A geographic area defining the boundaries within which procedures are established to minimize interference between air defense and other operations. May include designation of one or more of the following: Air defense action area; Air defense area; Air defense identification; Firepower umbrella.
【友情提示】
（1）请先注册或登录后再下载附件。
（2）请使用电脑PC/Mac桌面浏览器下载附件，以获得最佳兼容性。推荐使用Chrome。
（3）如使用手机/平板自带浏览器访问，
请先下载、然后在本机存储中打开文件，附件不支持在线预览、显示或播放。
