SAN DIEGO (April 21, 2021) Acting Secretary of the Navy Thomas W. Harker speaks with Aviation Boatswain�s Mate (handling) 2nd Class Jonathan Deleon aboard the amphibious assault ship USS Tripoli (LHA 7) during his visit to Naval Base San Diego. Tripoli is an America-class amphibious assault ship homeported in San Diego. (U.S. Navy photo by Mass Communication Specialist Seaman Apprentice Christopher Sypert)