The U.S. Army recently awarded aerospace engineering work to General Atomics Aeronautical Systems Inc., which builds the Army’s Grey Eagle unmanned aircraft.

Two contract modifications worth $17.6 million will cover services for Grey Eagle, the Army’s version of the GA-ASI Predator aircraft.

The deals are contract modifications covering engineering services worth $9.5 million and $8.1 million. Both modifications run through April 2017. Work will be performed in Poway.

The Army Contracting Command of Redstone Arsenal, Ala. awarded the deals, announced April 14.

General Atomics Aeronautical Systems is an affiliate of privately held General Atomics.