Sikorsky Aircraft Corp., Stratford, Conn., is being awarded a $7,808,818 modification to a previously awarded cost-plus-award-fee contract (N00019-06-C-0081) to incorporate live fire test and evaluation efforts in support of the CH-53K Helicopter Program.  Work will be performed at Naval Air Warfare Center Weapons Division, China Lake, Calif. (80 percent), and Stratford, Conn. (20 percent).  Work is expected to be completed in December 2018.  Contract funds will not expire at the end of the current fiscal year.  The Naval Air Systems Command, Patuxent River, Md., is the contracting activity.