UPPER ECHELON Two F/A-18 Hornets assigned to Strike Fighter Squadron 204 and two F-15 Strike Eagles assigned to the Louisiana Air National Guard 159th Fighter Wing fly in an echelon formation over southern Louisiana wetlands during a flying exercise near New Orleans, July 11, 2009. Strike Fighter Squadron 204 and the 159th are stationed on Naval Air Station Joint Reserve Base, New Orleans. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 753825-N-XRW11-892.jpg Photo Gallery