也没有在绕地轨道上组建一支主力舰队来与美国太空军事设备相抗衡。
Nor is it assembling an orbiting battle fleet to neutralize American space-based military tools.
距离莱特飞机展区不远的太空博物馆，人们在这里可以看到五种不同的无人机，美国空军对无人机的正式名称为“远程控制飞机”。
Not far from the Wright exhibit at the Air and Space Museum, you can find an exhibit featuring five different drones — the Air Force prefers the term "remotely piloted aircraft.
美国空军的 X-37B太空船当时正在环绕地球，在某个官方未公开的轨道执行秘密任务。 天空观察者发现了它。
The US Air Force's X-37B space plane is circling Earth and, although it is on a classified mission with an officially unpublished orbit, sky watchers have spotted it.
应用推荐