The Missile Defense Agency -- created nearly 20 years ago -- is beginning to think about the next 20 by launching a new initiative to explore future technologies and associated architectures that could be needed in 2045, asking industry to propose "new, innovative and potentially disruptive" concepts to protect the nation from anticipated future threats. On June 15, MDA -- which has spent $226 billion since being founded in 2004 on the Missile Defense System -- will host an industry...