Staff Sgt. Nicholas Krohn (foreground) donates blood while phlebotomist Daisy Mayer monitors the procedure Aug. 3 at B Battery, 2nd Battalion, 6th Air Defense Artillery's blood drive in Building 2750 Miner Road. Also donating were (in background, from left) Spc. Jordan Malubay, Spc. Jedidiah Rash and Spc. Shawn Kratz, who was assisted by phlebotomist Thea Alexander.