bone marrow
2nd Lt. Neil Boots explains the bone marrow donor testing process to 1st Lt. Marshel Slater during the final day of the 341st Medical Group's three-day donor drive at Malmstrom June 16-18. Anyone interested in being tested to become a bone marrow donor can call Lieutenant Boots at 731-3805. (U.S. Air Force photo/Valerie Mullett)