1st Lt. Ari Sandi, 1st platoon commander for the 461st Battalion Airborne, Indonesian Air Force, challenges Lance Cpl. DeCarlo Simpson, a motor transportation vehicle operator with Co. I, 1st Bn, 11th Marine Regiment, to an impromptu dance-off at Five Hills Training Area, Mongolia during Exercise Khaan Quest 2011. Khaan Quest is a training exercise designed to strengthen the capabilities of U.S., Mongolian and other participating nations' forces in international peace support operations worldwide.