TRW Inc. has leased the entire 4th floor, 21,500 square feet, at 4600 Forbes Blvd. in Lanham, MD. It has signed a 3-year lease, with two 1-year options and one 4-year option. 4600 Forbes, also known as the Shoppers Food Warehouse Building, is an 81,000-square-foot Class-A office building in the Washington Business Park. Located one-half mile from Route 50 and I-495, it features extensive landscaping and an atrium, as well as day care, exercise facilities, and building management on-site. This property is now 77% leased. David Wills and David Michael of NAI The Michael Cos. represented the landlord, Shoppers Food Warehouse Corp. Greg Prossner and Rob Shue of Spaulding & Slye Colliers represented TRW Inc. The tenant provides advanced technology products and services to the federal government and the private sector in the automotive, aerospace and information systems markets.