美国加利福尼亚州
Photo by NASA | 2003-02-21 00:00:00 |
2003年2月28日,加利福尼亚州,美国国防部先进研究项目局(DARPA)和美国空军联合开发的X-45A无人作战飞机(UCAV)进行第一阶段飞行系统测试时打开弹仓,此次舱门是在高度35,000英尺,速度0.75马赫下安全打开的。(The DARPA/U.S. Air Force X-45A Unmanned Combat Air Vehicle (UCAV) system demonstration program completed the first phase of demonstrations, known as Block I, on Feb. 28, 2003.The final Block I activities included two flights at Dryden, during which safe operation of the weapons bay door was verified at 35,000 feet and speeds of Mach 0.75, the maximum planned altitude and speed for the two X-45A demonstrator vehicles.)