美国国防部近日宣布，其下一代战斗机F-47计划于2029年实现首飞，旨在确保美国在未来空战中的优势地位。根据国防高级研究计划署（DARPA）与波音公司和洛克希德·马丁公司的合作合同，两架X-plane试验机型分别在2019年和2022年进行了首次飞行，每架飞机的飞行时间均达到数百小时。

We now have an answer for at least some of the questions. As for the second X-plane, the Lockheed Martin demonstrator which ...

The U.S. military's top-secret X-37B space plane has returned from a mysterious 434-day mission in orbit. The enigmatic mission 'broke new ground' for reusable space technology, according to the U.S.

All the Latest Game Footage and Images from X-Plane 11: Global Scenery - South America X-Plane 11 Global Scenery: South America is a free DLC that you can activate thru your Steam Client.

The United States Space Force’s secretive X-37B space plane touched down to earth on Friday after spending 434 days in orbit conducting mysterious tests. The unmanned Boeing-made aircraft landed ...

"The successful execution of the aerobraking maneuver underscores the U.S. Space Force’s commitment to pushing the bounds of novel space operations in a safe and responsible manner." ...

The U.S. government's secretive X-37B space plane has returned to Earth after a 434-day mission in orbit, according to a ...

Can a plane freeze in mid-air? A video that appears to show just that is going viral. On Friday, Will Manidis shared a video to X (formerly Twitter) showing what seems to be a still plane floating ...

The X-37B space plane touched down at Vandenberg Space Force Base in California after 434 days in space. Space Force is in general quite secretive about the spacecraft and its missions ...