Boeing Defense, Space & Security (BDS) is a division of The Boeing Company responsible for defence and aerospace products and services. Formerly known as Boeing Integrated Defense Systems (IDS), it was formed in 2002 by combining the ‘Military Aircraft and Missile Systems’ and ‘Space and Communications’ divisions. Boeing Defense, Space & Security makes Boeing the second-largest defence contractor in the world and was responsible for 45% of the company’s income in 2011. BDS is based outside St. Louis, Missouri, USA.