U.S. Air Force F-15E Strike Eagles perform a training mission over the North Sea on July 19, 2004. The F-15E Strike Eagle is considered the most advanced two-seat tactical aircraft in the world. The "E's" radar system allows aircrews to pick out bridges and airfields on the radar display from more than 80 miles away. The Strike Eagles are from the 494th Fighter Squadron, 48th Fighter Wing, Royal Air Force Lakenheath, United Kingdom.