Lockheed Martin Aeronautics has received a $93 million U.S. Navy contract modification for Lot 14 and Lot 15 F-35 Lightning II aircraft production.

The work will include procurement of diminishing manufacturing sources for electronic components.

Lot 14 production will be done at U.S. facilities, while Lot 15 production will take place at international facilities.

Work will be performed in Texas and is expected to be completed by June 2017.

The contract combines purchases for the U.S. Air Force, the Navy, U.S. Marine Corps, foreign military sale customers and international partners.

The Naval Air Systems Command is the contracting activity.

The Lightning II is a series of one-seat, single-engine, next-generation stealth fighters.