Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is being awarded a $37,129,230 modification to the previously awarded F-35 Lightning II Low Rate Initial Production Lot VI contract (N00019-11-C-0083). This modification provides for non-recurring efforts associated with the procurement of training spares for Israel and Japan and two full mission simulators in support of Japan’s F-35A Conventional Take-Off and Landing (CTOL) Air System for pilot training. Work will be performed in Orlando, Florida (70 percent), and Fort Worth, Texas (30 percent), and is expected to be completed in September 2017. Foreign military sales funds in the amount of $37,129,230 will be obligated at time of award, none of which will expire at the end of the current fiscal year. This modification combines purchases for the governments of Japan ($34,455,709; 92.8 percent) and Israel ($2,673,521; 7.2 percent) under the Foreign Military Sales Program. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.