This week's demonstration of the second-generation exoatmospheric kill vehicle -- a significant milestone in the long-running, $2 billion project to produce a warhead for the Ground-based Midcourse Defense system -- appears to augur well both for the Pentagon's 2013 plan to expand fielding of the Ground-based Interceptors and for more orders of the Raytheon-built warheads. Missile Defense Agency Director Vice Adm. James Syring told reporters May 31 that early data from the previous day's flight test over the Pacific Ocean...