Constant vigilance
BALAD AIR BASE, Iraq -- Senior Airman Paul Sulak and Airman 1st Class Levi Bilyeu, 332nd Expeditionary Security Forces Squadron listen post observation post, keep watch along the base perimeter for suspicious activities here, April 18. Potential enemy activities are always watched for by the post observers; no shenanigans go unnoticed. Airman Sulak is deployed from McConnell Air Force Base, Kan. (U.S. Air Force photo/ Senior Airman Julianne Showalter)