A few ships are traditional, such as the Enterprise (I think it should be translated as Endeavor). Since the founding of the U.S. Navy, there has been a main battleship called the Enterprise, so there has always been < /p>
Later it was stipulated that aircraft carriers should be named after major battles, such as the Saratoga, etc.
Later (after 1960) it was stipulated that aircraft carriers should be named after the president