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。
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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
Model 114，
是今天CH-47的始祖。 1962 年， 根据 1962 年美国三军机命名系统， HC-1B 被重新命名 CH-47A。
