A British Royal Air Force (RAF) GR-4 Tornado fighter-bomber aircraft takes off from Eielson Air Force Base (AFB), Alaska (AK), for an afternoon training mission during Exercise COOPERATIVE COPE THUNDER, the largest multinational air combat training exercise in the Pacific. This 15-day exercise simulates wartime combat conditions so that military personnel from 12-nations can sharpen their air fighting skills, exchange air operational tactics, and build closer relations with each other