Spc. Alex Alvarez, assigned to the 311th Expeditionary Sustainment Command, performs a thruster during the “Fittest Provider” competition at Kandahar Airfield, Afghanistan, May 18, as Sgt. Ryan Haynes, with Headquarters and Headquarters Company, 3rd Sustainment Brigade evaluates and counts her repetitions. (U.S. Army photo by Spc. Rochelle Krueger, 3rd Sustainment Brigade Public Affairs)