GHAZNI PROVINCE, Afghanistan – A Polish soldier reads the instructions on the chest decompression needle during the combat lifesaving class being taught by Texas Army National Guard Sgt. Ty Wenglar, Provincial Reconstruction Team Ghazni training medic May 5. This combat lifesaving class taught Polish PRT members how to treat casualties with open chest wounds. (U.S. Air Force photo by Staff Sgt. April Quintanilla).