First off, it’s a “ship”, not a boat...
Secondly:
Per Wikipedia:
On 11 July 2018, at a rededication ceremony, Senator John McCain was added as a namesake, along with his father and grandfather.
Common Sailor parlance. I work on the flight deck of Eisenhower and I call her a boat as in, "I'm going to the boat next week. Mow the lawn while I'm gone."
EW... did they rededicate the boat before or after he died?