Photo Information OPERATION ENDURING FREEDOM (AFPN) -- Members of the 320th Expeditionary Civil Engineer Squadron carry a 10-foot support wall for a protective bunker being constructed at a deployed location supporting Operation Enduring Freedom. (U.S. Air Force photo by Staff Sgt. Matthew Hannen) Photo by Staff Sgt. Matthew Hannen Download Details Share Bunker building 12 Feb 2003 | PRINT SHARE OPERATION ENDURING FREEDOM (AFPN -- Members of the 320th Expeditionary Civil Engineer Squadron carry a 10-foot support wall for a protective bunker being constructed at a deployed location supporting Operation Enduring Freedom. (Photo by Staff Sgt. Matthew Hannen)