In 1947, X-1 became the first manned aircraft to break the sound barrier.

1947年，X-1飞机成为第一架突破音障的载人飞机。

East Coast time, and the last manned aircraft is now clearing the airspace above Afghanistan.

东海岸时间，最后一架有人驾驶的飞机正在将阿富汗上空清空。

But in Saturday's airstrike, U.S. authorities believe as many as 150 al Shabaab members were killed by drones and manned aircraft.

但周六的空袭行动中，美国有关当局表示通过无人机及载人飞机配合已击毙150名武装分子。

The government says drones are bound by the same rules of engagement as manned aircraft and have saved countless military and civilian lives.

政府称这些无人机和载人飞机遵守同样的规则，并挽救了无数军人和平民的生命。

This week, the U.S. said it would deploy about 1,000 more troops, along with missiles and manned and unmanned surveillance aircrafts in the area.

本周，美国称将向该地区增派约1000名士兵，以及部署导弹、载人和无人侦察机。

US special operations forces using manned and unmanned aircraft destroyed an encampment and a vehicle, using several Hellfire missiles and laser-guided munitions.

美国特种作战部队使用有人驾驶和无人驾驶飞机摧毁了一个营地和一辆汽车，使用了几枚地狱火导弹和激光制导弹药。