Naval and commercial yards reported through capacity, workforce, steel supply, module sequencing and the slippage visible years before a delivery date.
SSN(X) is the Navy's planned successor to the Virginia-class attack submarine — faster, quieter, and carrying more torpedoes and payloads — with procurement targeted for the 2030s while the design remains in early development.
Four government-owned naval shipyards — Portsmouth, Norfolk, Puget Sound, and Pearl Harbor — perform most nuclear-powered ship maintenance for the Navy, and a decades-long infrastructure program is working to replace their aging dry docks and facilities.
DDG(X) is the Navy's planned large surface combatant intended to succeed the Ticonderoga-class cruisers and eventually the oldest Arleigh Burke destroyers, with a new hull, integrated electric power, and construction targeted for the 2030s.
The Columbia class is the Navy's highest-priority construction program, a 12-boat replacement for the Ohio-class fleet ballistic missile submarines that carry the sea-based leg of the U.S. nuclear triad.