Northrop Grumman Aerospace Systems, San Diego, California, has been awarded a $298,186,561 cost-plus-fixed-fee and cost-reimbursable no-fee, indefinite-delivery requirements contract modification (P00003) to previously awarded contract FA8539‐21‐D‐0001 for the RQ-4B Global Hawk. The contract provides for repair services for “common items” for both the RQ-4B and MQ-4C Triton. It will support reparable National Stock Numbers (NSNs) which encompass the Air Vehicle, multiple sensor packages, Mission Control Element, and Launch and Recovery Element. In addition, this effort includes support engineering services covered under the engineering delegation authority for NSNs transferred to and under the management of the 407 Supply Chain Management Squadron. Work will be performed in San Diego, California; Salt Lake City, Utah; El Segundo, California; Sterling, Virginia; Las Cruces, New Mexico; Valencia, California; Joplin, Missouri; Vandalia, Ohio; Troy, Ohio; Longueuil, Quebec; Woodland Park, New Jersey; Whippany, New Jersey; Indianapolis, Indiana; Woburn, Massachusetts; Twinsburg, Ohio; Medford, New York; Cypress, California; Wichita, Kansas; San Jose, California; and Linthicum, Maryland. Work is expected to be completed by Dec. 31, 2027. This award is the result of a sole-source acquisition. Air Force Sustainment Center, Robins Air Force Base, Georgia, is the contracting activity.