OVER THE PACIFIC -- A South Korean F-15K Eagle comes in for fuel from a KC-135 Stratotanker on Oct. 4. The next generation F-15s are on their way to South Korea to make their debut at the Seoul Air Show. The South Korea Air Force purchased 40 fighters from Boeing for $4.2 billon. The Stratotanker is from the Hawaii Air National Guard's 203rd Air Refueling Squadron.