(Editor's note: This story has been updated to note the Air Force's ongoing JSTARS recapitalization program.) The Defense Department's inspector general will begin an audit of the Air Force's Joint Surveillance Target and Attack Radar System this month, according to a Sept. 16 memo sent to Pentagon acquisition chief Frank Kendall. The IG will determine "whether the Air Force made cost effective purchases on the performance-based logistics contract to support the Joint Surveillance Target and Attack Radar System," the...