190313-N-HS117-1119 INDIAN OCEAN (March 13, 2019) Sailors observe an aircraft elevator rise in the hangar bay during a mass casualty drill aboard the aircraft carrier USS John C. Stennis (CVN 74) in the Indian Ocean, March 13, 2019. John C. Stennis is deployed in the U.S. 7th Fleet area of operations in support of security and stability in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist Seaman Jeffery L. Southerland/Released)