用“national airspace”造句大全，national airspace造句
This closed-end management system is in a specific historical circumstances and technical conditions, formed to defend its national airspace, to ensure flight safety has played an important role.
However, Admiral Mike Mullen, the chairman of the US joint chiefs of staff, told reporters in Washington that the US would "not be deterred from flying in international airspace".
It might grow trickier for Mr Bashir if he decides to go to Qatar, which would involve travelling through international airspace.
The latest was a "routine flight" of EP-3 Aries aircraft in international airspace, which was intercepted by two Chinese J-11 fighters.
