The prior investment in infrastructure makes this far and away the most cost-effective, flexible and rapid means of fielding limited anti-missile systems, leaving ample funds available to bring other, complementary missile-defense technologies on line in due course.
CENTERFORSECURITYPOLICY: Center for Security Policy | Hail to the Chief: George W. Bush Demonstrates Couragerous, Visionary Leadership ?? again ?? by Jettisoning A.B.M. Treaty