General Dynamics Corporation offers their services in defense, land and aviation. Their portfolio includes several services and products in combat vehicles, defense and commercial shipbuilding, business aviation and information technology. The company has its operation across the world is considered as one of the lading defense contractor of the world. The major business segments through which the company operates are Combat Systems, Information Systems and Technology, Aerospace and Marine Systems. John Phillip Holland founded General Dynamics Corporation in 1952. More than 91,000 employees are working in the company. The company expands its business through acquisition. Recently, they purchased Applied Physical Science Corp.