军用背包厂家JOINT BASE BALAD, Iraq — Staff Sgt. Jereemy Diola, 64th Expeditionary Rescue Squadron Pararescueman, medically analyzes a simulated patient as Senior Airman Nate Simonson and Staff Sgt. Joshua Kruse, 64th Expeditionary Rescue Squadron Pararescuemen, observe on an HH-60G Pave Hawk during a training scenario here Sept. 26, 2009. Pararescuemen, once finished with technical training, are considered nationally registered emergency medical technician (EMT) paramedics. (U.S. Air Force photo/Senior Airman Christopher Hubenthal)