U.S. Army Lt. Col. Neal Mayo, commander of 1st Battalion, 27th Infantry Regiment, 2nd BCT, 25th Infantry Division, and fellow 25ID soldiers exchange Hawaiian Shaka gestures meaning "Aloha" or a general "hello, goodbye, good will" with local Thai school children after spending the afternoon with them during a humanitarian aid mission in Lopburi province, Thailand, Feb. 16, 2015. The mission was carried out as a part of the joint-training operation Cobra Gold 2015. (U.S. Army photo by Spc. Steven Hitchcock/Released)