GAO concludes that the V-22 program is not ready for full-rate production. This conclusion is based on two factors. First, GAO's "best practices" work has identified practices used by successful commercial and defense programs to develop and produce quality products in significantly less time and at lower costs. GAO reviews of major weapons systems have shown that failure to follow these practices results in cost increases, schedule delays, and performance problems. Second, GAO analyzed Department of Defense (DOD) assessments and data on the V-22 program and interviewed DOD officials. As a result of GAO's findings, DOD postponed the full-rate production of the V-22 aircraft until the risks have been mitigated.
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