Lockheed Martin is a major American defense contractor with 97,000 employees across over 590 facilities in the US and operating in over 70 countries. It has four main business areas: Missiles and Fire Control, Space Systems, Aeronautics, and Rotary and Mission Systems. Space Systems is focused on surveillance, navigation, communications, human space flight, and strategic defense. It has multiple centers of excellence and subsidiaries focused on payloads, sensors, materials, signals, and data analytics to deliver capabilities faster.