SAN DIEGO (June 23, 2022) Interior Communications Electrician 3rd Class Cory Combs, left, from Indianapolis, and Master-at-Arms 3rd Class Alex Holler, from Houston, participate in an active shooter drill, June 23, 2022. Nimitz-class aircraft carrier USS Carl Vinson (CVN 70) is currently pierside at homeport in San Diego. (U.S. Navy photo by Mass Communication Specialist 2nd Class Haydn N. Smith)