2nd Lt. William Dahna 185 Air Refueling Wing, Sioux City, Iowa, administers the Oath of Enlistment during the first intermission of a hockey game featuring the Sioux City Musketeers versus The Sioux Falls Stampede on Military Appreciation night, in the Tyson Event Center, Sioux City, IA on the 7th of November 2015. (U.S. Air National Guard photo by Tech Sgt. Bill Wiseman/Released)