The Defense Department said Wednesday the contract covers design, development, integration, test and production engineering to modify the SDB II technical and production baseline.
Raytheon will perform work in Tucson, Arizona, through Aug. 31, 2024.
SDB II is designed to strike fixed or moving targets during day and night operations and in all weather conditions.
The Air Force and U.S. Navy have begun to integrate the weapon on the F-35 Joint Strike Fighter and the F/A-18E/F Super Hornet aircraft.