Northrop Grumman Systems Corp., San Diego, California, is awarded a $57,403,706 cost-plus-fixed-fee modification (P00017) to a previously awarded contract (N0001921C0060). This modification exercises options to provide continued sustainment, engineering, logistics, and test support for MQ-4C Triton air vehicles, mission control and operator training systems; continued field service representative’s technical support to ensure that the MQ-4C Triton Unmanned Aerial System (UAS) aircraft are mission-capable for intelligence, surveillance and reconnaissance missions supporting aircraft early operational capability and initial operating capability; and continued reach-back engineering support for both the Navy and the government of Australia MQ-4C Triton UAS assets. Work will be performed in Patuxent River, Maryland (36.5%); San Diego, California, California (22.5%); Jacksonville, Florida (7.7%); Mayport, Florida (6.5%); Baltimore, Maryland (5.3%); various location within the continental U.S. (CONUS) (8.8%); and various location outside CONUS (12.7%), and is expected to be completed in March 2024. Fiscal 2023 operation and maintenance (Navy) funds in the amount of $51,124,242; fiscal 2023 research, development, test and evaluation (Navy) funds in the amount of $1,000; fiscal 2021 aircraft procurement (Navy) funds in the amount of $5,280,677; and Foreign Cooperative Project funds in the amount of $997,787 will be obligated at the time of award, $56,404,919 of which will expire at the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.