And Shepard piloted the vehicle himself, something Gagarin had not done.

谢泼德亲自驾驶这辆车， 这是加加林没有做过的。

Mr. Trump said the episode would have been far more serious if the aircraft had been a piloted vehicle, and not a drone.

特朗普还表示，如果被击落的不是无人机，而是有人驾驶的飞机，问题就会严重得多。