BAE Systems Land & Armaments is a wholly owned subsidiary of BAE Systems Plc. and is responsible for the design, development and production of combat vehicles, ammunition, artillery systems, naval guns and missile launchers. It is the largest such company in the world. It was created on June 24, 2005, following the completion of BAE Systems' acquisition of United Defense in 2004 and its merger with BAE Systems Land Systems. In 2007 BAE Systems acquired Armor Holdings adding to the size of Land & Armaments significantly.