WASHINGTON — Raytheon Integrated Defense Systems of Tewksbury, Mass., said Aug. 25 that it had conducted the first test flight of a large aerostat it is building for the U.S. Army to detect and track cruise missiles.
WASHINGTON — Raytheon Integrated Defense Systems of Tewksbury, Mass., said Aug. 25 that it had conducted the first test flight of a large aerostat it is building for the U.S. Army to detect and track cruise missiles.