Northrop Grumman Systems Corp., St. Augustine, Florida, is awarded $16,883,718 for modification P00012 to a previously awarded firm-fixed-price, cost-plus-fixed-fee, cost-reimbursable indefinite-delivery/indefinite-quantity contract (N00019-14-D-0022). This contract modification extends the period of performance and provides depot maintenance for 44 Navy and Marine Corps Reserve F-5N/F aircraft. In addition to depot maintenance, this modification provides for aircraft inspections, repairs, overhauls, emergency repairs, modifications, engineering support and procurement of structural components required for the operation and sustainment of the F-5N/F aircraft. Work will be performed in St. Augustine, Florida (96 percent); Springville, Utah (3 percent); and Emmen, Switzerland (1 percent), and is expected to be completed in September 2019. No funds will be obligated at the time of award. Funds will be obligated on individual orders as they are issued. The Naval Air Warfare Systems Command, Patuxent River, Maryland, is the contracting activity.