Littoral combat ship USS Montgomery (LCS 8) enters dry dock for Post Shakedown Availability at BAE Systems Ship Repair facility. [5184×3456]

Littoral combat ship USS Montgomery (LCS 8) enters dry dock for Post Shakedown Availability at BAE Systems Ship Repair facility. [5184×3456]

Balao-class submarines USS BANG (SS-385) and USS PILOTFISH (SS-386) prior to launch at Portsmouth Navy Yard, New Hampshre, 30 August 1943. [1733×1396]

Balao-class submarines USS BANG (SS-385) and USS PILOTFISH (SS-386) prior to launch at Portsmouth Navy Yard, New Hampshre, 30 August 1943. [1733×1396]

The future littoral combat ship USS Tulsa (LCS 16) rises level with the Mobile River as the BAE Ship Systems drydock floods during the final stage of the launch process. USN photo. 16 March 2016 [1600 x 1067]

The future littoral combat ship USS Tulsa (LCS 16) rises level with the Mobile River as the BAE Ship Systems drydock floods during the final stage of the launch process. USN photo. 16 March 2016 [1600 x 1067]

USS Rexburg (EPCE[R]-855) and USS Marysville (EPCE[R]-857) share the drydock at Long Beach Naval Shipyard with the USS Stone County (LST-1141) in April 1969. [1500×1183]

USS Rexburg (EPCE[R]-855) and USS Marysville (EPCE[R]-857) share the drydock at Long Beach Naval Shipyard with the USS Stone County (LST-1141) in April 1969. [1500×1183]

Clemson-class destroyers USS Moody (DD-227) and USS Paul Jones (DD-230) in dry dock at Puget Sound Navy Yard in Bremerton Washington, c1922-23 [10,139 x 5,858]

Clemson-class destroyers USS Moody (DD-227) and USS Paul Jones (DD-230) in dry dock at Puget Sound Navy Yard in Bremerton Washington, c1922-23 [10,139 x 5,858]

USS Spadefish (SSN-668) undergoes repair work on board Resolute (AFDM-10) at Naval Station Norfolk by John Charles Roach [ART] [1724×1141]

USS Spadefish (SSN-668) undergoes repair work on board Resolute (AFDM-10) at Naval Station Norfolk by John Charles Roach [ART] [1724×1141]