Felicia Taylor, American Red Cross phlebotomist collection technician three, cleans the arm of Spc. Curtis Smith, 335th Transportation Detachment watercraft operator, with iodine during a blood drive at Fort Eustis, Va., August 3, 2016. Iodine products are used to reduce bacterial loads such as bacteria, fungi, protozoa and viruses. (U.S. Air Force photo by Staff Sgt. J.D. Strong II)