American Red Cross Blood Drive Published Dec. 10, 2012 By American Red Cross American Red Cross SHEPPARD AIR FORCE BASE, Texas -- Please join us for the December BLOOD DRIVES at the Airman's Club Tuesday, Dec. 11: 3 pm - 8 pm Wednesday, Dec. 12: 1 pm - 9 pm Thursday, Dec. 13: 1 pm - 9 pm Appointments are not necessary, we will accept all walk-ins. All presenting donors will receive a scratch code-card with a unique pin number to redeem online at www.redcrossblood.org/empower for a prize (while supplies last)