The Defense Department's inspector general this week found the Joint Surveillance Target Attack Radar System contracting officer paid out $7.6 million in unallowable award fees to Northrop Grumman by failing to maximize the cost-effectiveness of the company's sustainment support contract, according to a program audit report released Nov. 3. "The JSTARS program management office spent $1.1 billion from May 2011 through October 2015 for contract option periods 11.5 to 15 without achieving its acquisition objective to increase aircraft availability while...