Raytheon Co. will hire more than 100 people and expand its Forest plant by 90,000 square feet, the company announced Thursday.

The Waltham, Mass.-based defense contractor said expansion at its plant on U.S. 80 is expected to be completed in the second quarter of 2007.

Raytheon’s Space and Airborne Systems business in Forest manufactures sensor and radar systems for fighter aircraft.

With 2005 revenues of $4.2 billion and 13,000 employees, SAS, headquartered in El Segundo, Calif., also operates facilities in Goleta, Calif., and in Dallas, McKinney and Plano in Texas.

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Raytheon Co.: http://www.raytheon.com