The Missile Defense Agency failed to deliver one-third of the most advanced guided missiles the Navy requires to defend ships and allies from ballistic missiles around the world, with particular difficulty producing the newest and most powerful Aegis interceptor -- the Standard Missile-3 Block IIA -- slated for Japan, U.S. destroyers and land sites to defend against Iranian threats. Congressional investigators, in an audit of the Missile Defense Agency’s work in 2021 , found deliveries for both the Standard Missile-3...