Lance Cpl. Michael F. Kinney, administration specialist, Headquarters and Service Company, 3rd Battalion, 25th Marine Regiment, 4th Marine Division, performs flutter kicks during a Marine Corps Martial Arts Program course while at exercise Nordic Frost at Camp Ethan Allen Training Site in Jericho, Vt., Jan. 8. 2017. Marines were provided the opportunity to obtain their grey or green belts during the exercise. (U.S. Marine Corps photo by Cpl. Melissa Martens/ Released)