Northrop Grumman Systems Corp. – Marine Systems (NGSC-MS), Sunnyvale, California, is awarded a $29,187,820 cost-plus-incentive-fee contract modification (P00009) to previously awarded contract (N00030-21-C-1010) to exercise an option line item for ongoing fiscal 2022 support of the Trident II (D5) deployed SSBN and the SSGN underwater launcher systems. NGSC-MS will provide technical engineering support and integration for D5, and SSGN attack weapon system. Work will be performed in Sunnyvale, California (52%); Bangor, Washington (18%); Kings Bay, Georgia (14%); Rocket Center, West Virginia (7%); Cape Canaveral, Florida (4%); St. Charles, Missouri (3%); and Camarillo, California (2%). The option year performance period is Oct. 1, 2021, to Sept. 30, 2022. No funds are being obligated with this contract modification. Subject to availability of funds, fiscal 2022 operation and maintenance (Navy) funds in the amount of $29,187,820 will be obligated on this option line item. The funds will expire at the end of the 2022 fiscal year. The contract was not competitively procured. Strategic Systems Programs, Washington, D.C., is the contracting activity.