BAE Systems Land & Armaments is a subsidiary of BAE Systems Inc. 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 plc's acquisition of United Defense and its merger with BAE Systems Land Systems. The L&A group In 2007 BAE Systems acquired Armor Holdings adding to the size of Land & Armaments significantly.