Navy Petty Officer 3rd Class Kevin Calvert, left, dons firefighting gear before participating in a general quarters drill aboard the aircraft carrier USS John C. Stennis in Bremerton, Wash., Dec. 7, 2017. Calcert is an air traffic controller. The Stennis is in port conducting routine training as it prepares for its next scheduled deployment. Navy photo by Petty Officer 2nd Class Jonathan Jiang