Army Sgt. Fernando Diaz, right and Pfc. Joshua Yi, left, complete a 100-question written medical knowledge test as part of the 2012 Pacific Regional Medical Command Best Medic Competition on Schofield Barracks, Wahiawa, Hawaii, Aug. 30, 2012. Diaz and Yi, combat medics, are assigned to the 568th Medical Company, Ground Ambulance, Camp Humphreys, Korea. Army Sgt. Fernando Diaz, right and Pfc. Joshua Yi, left, complete a 100-question written medical knowledge test as part of the 2012 Pacific Regional Medical Command Best Medic Competition on Schofield Barracks, Wahiawa, Hawaii, Aug. 30, 2012. Diaz and Yi, combat medics, are assigned to the 568th Medical Company, Ground Ambulance, Camp Humphreys, Korea. SHARE: Download: Full Size (2.37 MB) Tags: photo essays Credit: VIRIN: 742748-R-KVS94-228.jpg Photo Gallery