Boeing Defense, Space & Security (
BDS) formerly known as
Boeing Integrated Defense Systems (
IDS) is a unit of
The Boeing Company responsible for
defense and
aerospace products and services. Boeing Integrated Defense Systems was formed in 2002 by combining the former "Military Aircraft and Missile Systems" and "Space and Communications" divisions. Boeing Defense, Space & Security makes Boeing the second-largest
defense contractor in the world and was responsible for 45% of the company's income in 2011. BDS is based outside
St. Louis, Missouri. Boeing was the largest employer in
St. Louis County in 2000.