Airman Ekwele Nwalipenja, second from right, from San Francisco, assigned to the Battle Cats of Helicopter Maritime Strike Squadron 73 conducts fuel sample training on an MH-60R Sea Hawk helicopter in the hangar bay of aircraft carrier USS Carl Vinson. Carl Vinson is underway off the coast of Southern California conducting Carrier Qualifications as part of the ship's Western Pacific Deployment 2014.