The U.S. military has delayed by two years the planned first test of a naval counter-hypersonic capability, pushing from 2023 to 2025 an intercept attempt by a Standard Missile-6 against an ultra-fast maneuvering target to validate a new version of the Aegis Sea Based Terminal capability designed to protect aircraft carrier strike groups from the new class of threats. In March 2020, then-Pentagon chief technology officer Mike Griffin revealed the Defense Department planned in fiscal year 2023 to conduct an...