The U.S. on the Way to Strategic Invulnerability

... Organization, which was renamed the Missile Defense Agency in 2002, and led to the creation of anti-missile systems such as Patriot PAC-3, Aegis BMD, THAAD and the Ground-Based Midcourse Defense system. Work continues on a number of projects that use active ... ... attack. Another projected, called Gremlins , developed under the auspices of the Defense Advanced Research Projects Agency (DARPA), focuses on developing the technology for using a transport aircraft to deliver a drone swarm to an area where they will ...