NELLIS AIR FORCE BASE, Nev. -- Staff Sgt. Jeremy Olivier, Red Flag Air Expeditionary Wing weather forecaster from Mountain Home Air Force Base, Idaho, looks over a forecast while participating in the air combat exercise here March 6. Weather forecasters provide mission planning briefs including take-off and recovery conditions, range conditions, flight hazards and sonar and lunar data. Red Flag is a realistic combat training exercise involving the air forces of the United States and its allies. The exercise is conducted on the 15,000-square-mile Nevada Test and Training Range north of Las Vegas. (U.S. Air Force photo/ Airman 1st Class Debbie Lockhart)