Air Force Medical Lab Technician Sgt. Allen Willridge selects a vial of blood for testing. Air Force Medical Lab Technician Sgt. Allen Willridge selects a vial of blood for testing at the Ivory Combat Clinic at Kirkuk Air Base, Iraq, on July 22, 2005. Willridge is attached to the 145th Support Battalion and is one of 70 medical personnel at the clinic, which treats more than 60 people each day. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 218398-Y-OTE25-504.jpg Photo Gallery