The future USS William J. Clinton and the future USS George W. Bush will serve as lasting tributes to each leader's legacy in service of the United States.
[The practice of only naming Navy ships after dead people] lasted until 1974, when President Richard Nixon announced the naming of an aircraft carrier after United States Representative Carl Vinson.
Aren't they supposed to wait til the ghouls die before naming ships after them?
Not typically (lately). USS Jimmy Carter got commissioned in 2005.
Apparently CW NATOpedia this was Nixon's fault