A senior Pentagon official has dealt a potentially major setback to the MV-22, declaring the aircraft operationally not suitable. The finding comes just days before Navy acquisition chief Lee Buchanan is expected to decide whether to allow the Marine Corps to begin full-rate production of the tiltrotor. It will be up to him to initiate production or wait until issues highlighted by the Pentagon's director of operational test and evaluation, Philip E. Coyle, are resolved.
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机译：五角大楼的一位高级官员已经对MV-22造成了重大挫折，宣布飞机在运行上不合适。这项发现是在海军收购负责人李·布坎南（Lee Buchanan）决定是否允许海军陆战队开始全速生产倾转旋翼机的几天之前进行的。由他决定启动生产或等待五角大楼运营测试与评估总监Philip E. Coyle强调的问题得到解决。
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