Maj. Emily Cerreta uses a blinking light to gain acceptance from 23-month-old Hikerr Snyder prior to his well-baby checkup April 14, 2010, in Noorvik, Alaska. Major Cerreta is a family nurse practitioner from the 433rd Airlift Wing at Lackland Air Force Base, Texas, and is in Alaska for Operation Arctic Care, a joint medical training exercise. (U.S. Air Force photo/Master Sgt. Jack Braden)