Naval Aircrewman (Helicopter) 3rd Class Michael Case, from Mountain Home, Arkansas, mans an M3 .50-caliber machine gun inside an MH-60S Sea Hawk helicopter assigned to the "Black Knights" of Helicopter Sea Combat Squadron (HSC) 4 while underway with the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70) in the U.S. 3rd Fleet area of operations. As an integral part of U.S. Pacific Fleet, U.S. 3rd Fleet operates naval forces in the Indo-Pacific in addition to providing realistic and relevant training necessary to flawlessly execute our Navy's timeless roles of sea control and power projection. U.S. 3rd Fleet works in close coordination with other numbered fleets to provide commanders with capable, ready forces to deploy forward and win in day-to-day competition, in crisis, and in conflict. (U.S. Navy photo by Mass Communication Specialist Seaman Kenneth Ostas)