LANGLEY AIR FORCE BASE, Va – Col. Donald E. Kirkland, 633d Air Base Wing commander, signs his Combined Federal Campaign pledge form, Sept. 20. The CFC is the world's largest and most successful annual workplace charity campaign, with more than 300 CFC campaigns throughout the country and internationally to help to raise millions of dollars each year. Pledges made by Federal civilian, postal and military donors during the campaign season (September 1st to December 15th) support eligible non-profit organizations that provide health and human service benefits throughout the world. To make a donation to the CFC, see your unit representative. (U.S. Air Force photo/Staff Sgt. Tabitha Kuykendall/RELEASED)