Eli Goldammer builds a toy glider with 1st Lt. Danielle Zidack, 34th Bomb Squadron weapon systems officer, during the 2016 Aviation Day at the Discovery Center in Pierre, S.D., Jan. 27, 2016. In addition to Airmen from Ellsworth Air Force Base, S.D., members of the Civil Air Patrol, Great Lakes Airline and Mustang Aviation also participated in the event, teaching children about aviation. (U.S. Air Force photo by Senior Airman Rebecca Imwalle/Released)