180902-N-IL409-0615 PACIFIC OCEAN (Sept. 2, 2018) Master-at-Arms Seaman Jordan Steffen, from Chicago, racks an M-240B machine gun during an M-240B machine gun qualification exercise on the fantail aboard the Nimitz-class aircraft carrier USS John C. Stennis (CVN 74). John C. Stennis is underway conducting routine operations in the U.S. 3rd Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist Seaman Joshua L. Leonard/Released)