Lockheed Martin Mission Systems and Sensors, Owego, N.Y., is being awarded an $85,137,344 firm-fixed-price modification to a previously awarded advance acquisition contract (N00019-11-C-0020) to provide for the procurement of end-of-life components and long lead materials and associated efforts required for the production and delivery of 24 MH-60R Mission Avionics Systems and common cockpits for the Royal Australian Navy under the Foreign Military Sales Program.  Work will be performed in Farmingdale, N.Y. (53 percent); Owego, N.Y. (32 percent); Ciudad Real, Spain (5 percent); Victor, N.Y. (4 percent); St. Charles, Mo. (3 percent); Lewisville, Texas (1 percent); Windsor Locks, Conn. (1 percent); and various locations throughout the United States (1 percent).  Work is expected to be completed in March 2012.   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.