Navy Force Structure and Shipbuilding Plans: Background and Issues for Congress [May 15, 2017] [open pdf - 2MB]
"The current and planned size and composition of the Navy, the rate of Navy ship procurement, and the prospective affordability of the Navy's shipbuilding plans have been oversight matters for the congressional defense committees for many years. On December 15, 2016, the Navy released a new force-structure goal that calls for achieving and maintaining a fleet of 355 ships of certain types and numbers."
CRS Report for Congress, RL32665
Federation of American Scientists: http://www.fas.org/sgp/crs/index.html