Fire Prevention Week 2015
Lt. Col. Kathy Naylor, 319th Medical Support Squadron commander, swings a sledge hammer during the Fire Prevention Week firefighter?s challenge Oct. 8, 2015, on Grand forks Air Force Base, North Dakota. Participants had to move the weighted sled from one side to the other by hitting it with the sledge hammer. (U.S. Air Force photo by Airman 1st Class Ryan Sparks/Released)