Northrop Grumman Systems Corp., St. Augustine, Florida, has been awarded a $32,458,183 contract for F-5 avionics upgrade and maintenance repairs. Work will be performed at St. Augustine, Florida, and Tunisia, and is expected to be complete by Dec. 30, 2018. This contract is 100 percent foreign military sales. This award is the result of a sole-source acquisition. Air Force Life Cycle Management Center, Hill Air Force Base, Utah, is the contracting activity (FA8220-15-C-0001).