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近日,美国国防部长卡特在演讲中说出了美军改革计划重点之一:加强网络战、空间力量建设。截至目前,外界对于美国空间力量的X-37B“轨道试验飞行器”仍一无所知。X-37B已经秘密进行了多次发射,在轨运行数百天,波音公司现已制造了两架X-37B。2013年12月3日,美国空军X-37B空天飞机在完成为期7个月的太空任务后,在美国范登堡空军基地安全着陆。X-37B长约9米,高约3米,翼展约4.5米,重5吨左右,
Recently, U.S. Defense Secretary Carter pointed out in his speech one of the key points of the U.S. military reform plan: strengthening cyberwarfare and building space forces. So far, the outside world is still ignorant of the space force X-37B “orbital test aircraft.” The X-37B has been launched in secret several times and has been in orbit for hundreds of days, with Boeing now manufacturing two X-37Bs. On December 3, 2013, the U.S. Air Force X-37B space shuttle landed safely at Vandenberg Air Force Base in the United States after completing a seven-month space mission. X-37B is about 9 meters long, about 3 meters high, about 4.5 meters wingspan, weighing about 5 tons,