Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company that employs approximately 98,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin’s key business lines include fighter aircraft, air and missile defense, ground vehicles, tactical missiles, targeting systems and sensors, technical services, satellites and space systems. The corporation places a high value on its international partnerships and has operations based in the U.K. and Australia, among other countries.