U.S. Air Force Airmen run in the Combined Federal Campaign 5K at Langley Air Force Base, Va., Nov. 8, 2013. Pledges to the CFC support eligible non-profit organizations who provide health and human-service benefits throughout the world. (U.S. Air Force photo by Airman Areca T. Wilson/Released)

Runners approach the finish line during the Combined Federal Campaign 5K at Langley Air Force Base, Va., Nov. 8, 2013. According to its website, the CFC is the world’s largest and most successful workplace charity campaign, raising millions of dollars between Sept. 1 and Dec. 15 each year. (U.S. Air Force photo by Airman Areca T. Wilson/Released)

U.S. Air Force Col. Kevin Huyck, 1st Fighter Wing commander, runs in the Combined Federal Campaign 5K at Langley Air Force Base, Va., Nov. 8, 2013. The CFC provides federal employees the opportunity to donate money to support local, national and international charities. (U.S. Air Force photo by Airman Areca T. Wilson/Released)