The Missile Defense Agency is accelerating development of a counter-hypersonic weapon after Congress injected nearly $300 million for the Glide Phase Interceptor project in fiscal year 2023, raising development spending on the Hypersonic Defense program to more than half-a-billion dollars this year following a classified independent cost assessment completed for the GPI last fall. The FY-23 omnibus spending package includes $517.9 million for Hypersonic Defense, an increase of $292.5 million above the $225.4 million the Pentagon originally required this fiscal...