General Dynamics Corporation, an aerospace and defense company, provides business aviation; combat vehicles, weapons systems, and munitions; military and commercial shipbuilding; and communications and information technology products and services worldwide. Its Aerospace group designs, manufactures, and outfits business-jet aircrafts; provides maintenance, repair work, fixed-based operations, and aircraft management services; and performs aircraft completions for aircraft. The company's Combat Systems group offers tracked and wheeled military vehicles, weapons systems, and munitions. Its product lines include wheeled combat and tactical vehicles; battle tanks and infantry vehicles; munitions and propellant; and rockets and gun systems. This group also manufactures and supplies aircraft and ground equipment components, engineered axles, suspensions, brakes, and aftermarket parts for various vehicles of military and commercial customers; and provides support and sustainment services. The company's Marine Systems group designs, builds, and supports submarines and surface ships for the U.S. Navy. This group offers nuclear-powered submarines, surface combatants, auxiliary and combat-logistics ships, and commercial ships; and provides design and engineering support services, as well as overhaul, repair, and lifecycle support services. Its Information Systems and Technology group provides technologies, products, and services that support a range of government and commercial communication and information sharing and security needs. This group offers communications systems, command-and-control systems, and operational hardware; information technology solutions and mission support services; and intelligence, surveillance, and reconnaissance systems to the U.S. defense, intelligence, and homeland security communities, as well as to the U.S. allies, and commercial and international customers. The company was founded in 1899 and is headquartered in Falls Church, Virginia.