Raytheon [RTN] recently said it received a $1.7 billion Direct Commercial Sales contract to upgrade Saudi Arabia’s Patriot Air and Missile Defense System to the latest Configuration-3.

The award includes ground-system hardware, a full training package and support equipment upgrades.

“Raytheon is honored to provide the most technologically advanced air and missile defense system in the world to Saudi Arabia,” said Tom Kennedy, president of Raytheon Integrated Defense Systems (IDS). “We are pleased that, with this contract, they have shown further confidence in Raytheon and the superior air and missile defense capabilities of the Patriot system.”

The business partnership of Raytheon and Saudi Arabia spans 45 years and a number of programs. Raytheon first supplied the Patriot system to Saudi Arabia in the 1990s to protect the nation’s critical assets.

For example, in 2007, Raytheon received two contracts totaling more than $100 million for Patriot and Hawk air defense systems.

Subject to customary U.S. regulatory approvals, work under this contract will be performed by Raytheon at the Integrated Air Defense Center in Andover, Mass., and in Saudi Arabia.

Patriot is the affordable, low-risk and effective air and missile defense system of choice of 12 countries around the globe. The newly redesigned Patriot protects against a full range of advanced threats, including aircraft, tactical ballistic missiles, cruise missiles and UAVs.

Raytheon is the prime contractor for both domestic and international Patriots and system integrator for Patriot Advanced Capability-3 missiles.