The Missile Defense Agency is a component of the United States government's Department of Defense responsible for developing a comprehensive defense against ballistic missiles. Wikipedia
Headquarters: Washington, D.C.
Founded: January 2002
Employees: Approx. 2500 (3000 with non-MDA support personnel) (2016)
Formed: January 2002; 22 years ago
Jurisdiction: Federal government of the United States
Parent agency: Department of Defense
Preceding agencies: Strategic Defense Initiative; Ballistic Missile Defense Organization