The Navy wants to buy 19 ships in fiscal year 2026, but delays, aging shipyards, and new threats may upset those plans.

The Navy intends to use some of the funds to increase its fleet of warships by 19 and modernize century-old shipyards.

Initially, the U.S. Navy referred to its ships by type and name. So, a vessel like Old Ironsides, the USS Constitution, was called the frigate Constitution.Name repetition created confusion, so ...