As the age of hypersonic X-planes passes, the era of Mach 5-plus weapons is set to begin.

The Pentagon is defining details of what the first block of a Defense Department-wide architecture for space-based missile warning systems would look like and will present the plan to the Joint Requirements Oversight Council.

Deployment of two planned Lockheed Martin Aegis Ashore anti-ballistic-missile batteries in Japan looks improbable, following a decision to indefinitely suspend the program because of potential danger to civilians.

Critical challenges remain to be overcome before air-breathing hypersonics can be applied to wider roles.

Flight testing will increasingly augment ground tests as U.S. hypersonic development transitions to operational vehicles.

The pace of hypersonic strike systems research is picking up internationally, galvanized by developments in Russia and China.

The Houthis’ use of ballistic and cruise missiles against the Saudi Arabian-led coalition in Yemen could inadvertently widen the conflict, a study by the Washington-based Center for Strategic and International Studies warns.

Russia buys interim fighter-bombers; GA-ASI to vie for MQ-9 replacement; KC-46 RVS testing coming; COVID-19 contractor relief bill?