The company will supply additional materials and provide maintenance, planning and operations services to exercise an option on a contract awarded in October, the Defense Department said Tuesday.
Work will occur in San Diego through June 30, 2017, according to DoD.
The Air Force Life Cycle Management Center will obligate $69 million from the military branchâs operations and maintenance funds for fiscal 2016 at the time of award, DoD said.
Northrop also received a potential 10-year, $3.2 billion indefinite-delivery/indefinite-quantity contract in September 2015 to retrofit and sustain all variants of the service branchâs Global Hawks.