The General Dynamics Corporation is a defense conglomerate formed by mergers and divestitures, and is the fifth largest defense contractor in the world. It has four main business segments: Marine Systems, Combat Systems, C4 Systems, and Aerospace. The General Dynamics Corporation is one of seven industries contracted by the Department of Homeworld Security for the production of Stargate-related technologies, and contributes to one wing of the Triton Spaceworks Assembly Corporation.