SORTIES U.S. Air Force F-16 Aggressor aircraft from the 18th Aggressor Squadron fly a sortie over Alaska, June 24, 2010, during exercise Red Flag Alaska 10-3. Red Flag Alaska is a Pacific Air Forces-directed advanced aerial exercise that trains U.S. and allied air force pilots for real combat situations. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 693942-I-NZH81-972.jpg Photo Gallery