The cost of the Navy's maintenance projects at its four public shipyards has grown by 41 percent over five years to an estimated $4.86 billion, and, as a result, the service anticipates it will be unable to conduct 73 of 218 maintenance periods over the next 23 fiscal years, according to the Government Accountability Office. From FY-00 through FY-16, inadequate facilities and equipment at the public shipyards led to maintenance delays that contributed to more than 1,300 lost operational days...