NASA's Langley Research Center in Hampton, Va., has selected five companies to provide the agency with support for analytical and experimental research and technology development, primarily for aerospace vehicles.

The companies are Analytical Services & Materials, Inc. of Hampton, Va.; ATK Space Systems of Beltsville, Md.; The Boeing Company of Huntington Beach, Calif.; Lockheed Martin Aeronautics Company of Palmdale, Calif.; and Northrop Grumman Systems Corporation of El Segundo, Calif.

The Structures, Materials, Aerodynamics, Aerothermodynamics, and Acoustics Research and Technology contract is valued at up to $400 million over five years.

The new multiple award contract will provide durability, damage tolerance and reliability; structural mechanics and concepts; structural dynamics, aeroelasticity; nondestructive evaluation; configuration aerodynamics; computational modeling and simulation; flow physics and control; aircraft and spacecraft noise prediction and control; aerothermodynamics; and multidisciplinary interactions, analysis, optimization and trade studies. The contract will support work at Langley and other NASA centers.