Tech. Sgt. Gina Klopf, 91st Missile Security Forces Squadron assistant flight chief, is surprised with $20 of free gas by Master Sgt. Christopher Davis, 5th Communication Squadron 1st sergeant as part of an Operation Warm Heart initiative at Minot Air Force Base, N.D., May 22, 2014. The 1st sergeants involved in the event gave away free $20 increments of gas beginning at noon and continuing until they reached $1000. (U.S. Air Force photo/Senior Airman Stephanie Sauberan)