ProtectedShips US GAO report on troubled Constellation frigate program By ANI - June 1, 2024 0 334 A Constellation class frigate On 29 May the US Government Accountability Officer (GAO) released its 52 page report, Navy Frigate: Unstable Design Has Stalled Construction and Compromised Delivery Schedules into the US Navy’s 20 ship Constellation class program. Please Login to view this content. (Not a member? Join Today!)