NIAGARA FALLS AIR RESERVE STATION, N.Y- Ms. Mary Ann Cooper, Contractor, SSI Logistics Manager was one of many base employees donating much needed blood during the American Red Cross blood drive which is held approximately every two months at the Niagara Air Base. According to Ada Kowal Red Cross Team Supervisor, O negative is the most critical blood type but she urged that all blood types are needed (U.S. Air Force Reserve photo by Mr. Peter Borys)