U.S. and European defense suppliers are supporting the development of Poland’s air defense system and the development of future missiles to support it.
Editors discuss NASA’s recent contract awards to study tech for high-speed airliners—and the one supersonic project that is still pushing forward, Boom.
Building on good results of initial 4,000-lb. demonstrator RDRE engines, NASA says larger pressure-gain rockets hold promise for future space missions.
Long-term pressure gain remains the goal, but compact combustion is accelerating near-term adoption of the technology for high-speed propulsion systems.
Summer 2023 has seen its fair share of challenges, including record-breaking high temperatures—something airlines may have to contend with more in the future.