Marine Corps Gen. Joe Dunford, chairman of the Joint Chief of Staff, praised the service and sacrifice of those who serve the nation in a speech to the American Legion's annual convention in Cincinnati, Aug. 30, 2016. More than 275,000 service members are deployed around the globe, he said. Here, an MH-60R Seahawk helicopter participates in a vertical replenishment practice exercise on the flight deck of the USS Spruance in the Pacific Ocean, June 14, 2016. Navy photo by Petty Officer 2nd Class Will Gaskill