Leidos Corp., Reston, Virginia, is awarded an $11,560,339 cost-plus-fixed-fee contract to procure non-recurring engineering efforts to analyze, define and document system and subsystem requirements for capability enhancements to integrate the adaptive radar countermeasures program on the F/A-18 aircraft.  Work will be performed in Arlington, Virginia (50 percent); Clifton, New Jersey (25 percent); Goleta, California (10 percent); St. Louis, Missouri (10 percent); Raleigh, North Carolina (3 percent); and Huntsville, Alabama (2 percent), and is expected to be completed in June 2020.  Fiscal 2019 research, development, test and evaluation (Navy) funds in the amount of $11,560,339 will be obligated at time of award, none of which will expire at the end of the current fiscal year.  This contract was not competitively procured pursuant 10 U.S. Code 2304(c)(1).  The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity (N00019-19-C-0051).