General Dynamics Corporation is an aerospace and defense company. The Company offers products and services in business aviation; combat vehicles, weapons systems and munitions; shipbuilding; and communication and information technology systems and solutions. The Company operates through four business groups: Aerospace, Combat Systems, Marine Systems and Information Systems and Technology. The Aerospace group designs, manufactures and outfits a family of Gulfstream business-jet aircraft, provides aircraft services. The Combat Systems group is engaged in the design, development, production, support and enhancement of tracked and wheeled military vehicles, weapons systems and munitions for the United States and its allies. The Marine Systems group designs, builds and supports submarines and surface ships. The Information Systems and Technology group provides technologies, products and services that support a range of Government and commercial communication and information-sharing needs.