 From December 1965 through March 1966 "Neptune" was overhauled in Boston.In 1973, "Neptune" transferred to the Military Sealift Command (MSC), was re-designated T-ARC-2, and continued operations with an MSC civil service crew.Only two of the four cable ships available for Project Caesar had been designed and built as cable ships, the others being conversions and lacking some critical features needed for cable operations.