Navy aviation maintainers secure a Mark 46 lightweight torpedo to an MH-60R Knighthawk helicopter aboard USS Stockdale before an anti-submarine training mission as part of a cruiser-destroyer, surface advanced tactical training exercise in the Pacific Ocean, April 20, 2018. The helicopter crew is assigned to Helicopter Maritime Strike Squadron 71. Stockdale is one of three warships from the USS John C. Stennis Carrier Strike Group completing in a SWATT exercise, designed to increase warfighting proficiency, lethality and interoperability of participating units. Navy photo by Petty Officer 2nd Class Amanda A. Hayes