The Defense Department has launched a sweeping review of ballistic missile defense policy, strategy and architecture -- an assessment that aims to produce a missile defense blueprint to supersede what the Obama administration produced in 2010 -- as threats to U.S. forces from ballistic missiles and other difficult-to-defeat capabilities such as hypersonic weapons proliferate. On May 4, Defense Secretary Jim Mattis directed the start of a Ballistic Missile Defense Review, an action President Trump called for in a Jan. 27...
