During a pining ceremony held February 19, 2010, at the 132nd Fighter Wing, Des Moines, Iowa, newly promoted Chief Master Sgt. Tim Cochran?s wife Teresa and mother Rosalie unveil his Chief Master Sgt. chevrons. Chief Cochran assumes the position of Superintendent of the 132nd Maintenance Operations Flight. (U.S. Air Force photo/Senior Master Sgt. Tim Day)(released)