PACIFIC OCEAN (July 9, 2021) Capt. Ryan Jackson, executive officer of the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70), mans a hose during firefighting training, July 9, 2021. Carl Vinson is currently underway conducting routine maritime operations in U.S. 3rd Fleet. (U.S. Navy photo by Mass Communication Specialist Seaman Emily Claire Bennett)