The Boeing Co., St. Louis, Mo., is being awarded a $687,484,033 ceiling-priced modification to a previously awarded fixed-price-incentive-fee multi-year procurement contract (N00019-09-C-0019) for 14 additional fiscal 2012, Lot 36, F/A-18E aircraft and one additional fiscal 2012, Lot 36, F/A-18F aircraft contained in the F/A-18 multi-year III production contract. Pursuant to the variation in quantity clause, this procurement will bring the number of F/A-18E aircraft on this contract from 55 to 69, and the F/A-18F from 20 to 21. Work will be performed in St. Louis, Mo. (45.2 percent); El Segundo, Calif. (44.6 percent); Hazelwood, Mo. (3.4 percent); Cleveland, Ohio (1.7 percent); Torrance, Calif. (1.4 percent); Vandalia, Ohio (1 percent); Ajax, Canada (1 percent); Irvine, Calif. (0.7 percent); Johnson City, N.Y. (0.5 percent); and Grand Rapids, Mich. (0.5 percent). Work is expected to be completed in October 2014. 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.