Eagle flag
Airman 1st Class John Patnaude, 571st Global Mobility Readiness Squadron, moves concertina wire across the entry control point as part of the force protection measures at Eagle Flag. The 571st Contingency Response Group participated in the exercise from Feb. 28 to March 10 to test their abilities to open, sustain and hand-off an air operations base. (U.S. Air Force photo by 2nd Lt. Lindsey Hahn)