If additional trainer aircraft are needed, the Pentagon plans to redesignate some of its existing rotorcraft rather than buying new airframes.
如额外的训练机,五角大楼计划次指派一些现有的旋翼飞机购买新的。
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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, 发型号Model 114,可认为是CH-47始祖。 1962 年, 根据 1962 年美国三军机命名系统, HC-1B 被重命名为 CH-47A。