Giving blood and saving lives
U.S. Airmen and members of the Japan Air Self-Defense Force donate blood to the Japanese Red Cross Society at Yokota Air Base, Japan, July 21, 2015. The JRCS, founded in 1877 as the Philanthropic Society, saves an estimated 1.2 million lives a year. (U.S. Air Force photo by Airman 1st Class David C. Danford/Released)