美国空军二架 F-15C 战斗机在“北部边缘-2005”联合演习中模拟拦截 C-21A 。（OVER ALASKA -- Two F-15 Eagles from Elmendorf Air Force Base, Alaska, intercept a C-21 on Aug. 15 during Alaska Shield/Northern Edge 05. The exercise is the largest homeland defense/homeland security exercise conducted in Alaska. It is an opportunity within the state to exercise an integrated local, state and federal government response to a series of simulated emergencies.）