General Dynamics Corporation is an aerospace and defense company that offers a portfolio of products and services in business aviation; combat vehicles, weapons systems and munitions; military and commercial shipbuilding, and communications and information technology. The Company operates through four business groups: Aerospace, Combat Systems, Marine Systems and Information Systems and Technology. In December 2011, it acquired Force Protection, Inc. In February 2012, the Company acquired the Enterprise Jet Center FBO at Hobby Airport in Houston, Texas. In June 8, 2012, the Company acquired IPW Holdings, Inc. In August 2012, it acquired Ship Repair and Coatings Division of Earl Industries. In August 2012, the Company acquired the defense operations of Gayston Corporation. In August 2012, the Company acquired Fidelis Security Systems, Inc. In September 2012, it acquired Open Kernel Labs, Inc. In December 2012, the Company acquired Applied Physical Sciences Corp.