F-16 student pilots from the 149th Fighter Wing, Texas Air National Guard, San Antonio, Texas, gather for a brief of the day's mission at Davis-Monthan Air Force Base in Tucson, Arizona on April 14, 2008. The 149th is taking part in Coronet Cactus, an annual training exercise that serves as a "final exam" deployment for the students. (Air National Guard photo by SSgt Andre Bullard)(RELEASED)