Northrop Grumman Systems Corp., Herndon, Virginia, is awarded $37,496,252 for modification P00002 to firm-fixed-price delivery order N0001918F0478 against a previously issued basic ordering agreement (N00019-15-G-0026). This modification provides for the procurement and delivery of seven MR-TCDL B-Kits, one Mission Avionics Systems Trainer B-Kit, and associated A- and B-Kit spares for the MR-TCDL upgrade to the E-6B Mercury aircraft. Work will be performed in Salt Lake City, Utah (73 percent); San Diego, California (25 percent); and Boston, Massachusetts (2 percent), and is expected to be completed in October 2021. Fiscal 2018 and 2019 aircraft procurement (Navy) funds in the amount of $37,496,252 will be obligated at time of award, none of which will expire at the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.