An F-35C Lightning II carrier-variant joint strike fighter prepares for takeoff aboard the aircraft carrier USS Dwight D. Eisenhower in the Atlantic Ocean, Oct. 6, 2015. The aircraft is assigned to Air Test and Evaluation Squadron 23. The F-35C Lightning II Patuxent River Integrated Test Force is conducting follow-on sea trials. U.S. Navy photo by Seaman Anderson W. Branch
A Navy MH-60R Seahawk helicopter fires flares during a training exercise over the Pacific Ocean, Oct. 6, 2015. The helicopter is attached Helicopter Maritime Strike 71. U.S. Navy photo by Petty Officer 3rd Class James Vazquez
Aviation Maintenance Administrationman Airman Gregory Weisman takes samples of jet propulsion fuel from an F/A-18 Super Hornet aboard aircraft carrier George Washington. Washington is deployed around South America as a part of Southern Seas 2015, which seeks to enhance interoperability, increase regional stability, and build and maintain regional relationships with countries throughout the region. MC3 Jonathan Price/Navy
Soldiers assigned to the 1st Battalion, 64th Armor Regiment, 1st Armored Brigade Combat Team, 3rd Infantry Division conduct gunnery with M1A2 Abrams tanks during exercise Combined Resolve V at 7th Army Joint Multinational Training Command in Grafenwoehr, Germany, on Oct. 8. Combined Resolve is designed to exercise the Army’s regionally aligned force to the U.S. European Command area of responsibility with multinational training at all echelons. Approximately 4,600 participants from 13 NATO and European partner nations will participate. Visual Information Specialist Gertrud Zach/Army
National Guard Humvees plow through flood waters on Highway 377 near Kingstree, S.C., on Oct. 7. Mic Smith/AP
Marines from the 3rd Marine Expeditionary Brigade, the 31st Marine Expeditionary Unit and Philippine marines storm the beach as they take part in a boat raid exercise during their joint military exercise, dubbed PHIBLEX 2016, at the Philippine marines training center in the Philippines on Oct. 8. More than 600 U.S. and Philippine marines are taking part in this annual exercise, which is aimed at increasing the armed forces’ capability in various bilateral maritime operations. Bullit Marquez/AP