If additional trainer aircraft are needed, the Pentagon plans to redesignate some of its existing rotorcraft rather than buying new airframes.
如果需要额
练机，五角大楼计划
次指派一些现有
机而不是购买新。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
科 They merged with Boeing and released a new model, the Model 114, which can be considered the ancestor of today's CH-47. In 1962, the HC-1B was redesignated as the CH-47A under the 1962 United States Tri-Service Aircraft designation system.
他们与波音公司合并， 发布了新型号Model 114，可
认为是今天CH-47的始祖。 1962 年， 根据 1962 年美国三军机
统， HC-1B 被重新为 CH-47A。
