Developed for Pegasus air launch, the L-1011­—world’s last operational TriStar—is pivoting to high-speed test and launch vehicle markets.

A proposal for a new DARPA program would fund four new flight tests of a scramjet-powered cruise missile to build on lessons learned from the ongoing Hypersonic Air-breathing Weapon Concept, the agency says in budget planning documents.

DARPA has secretly tested a hypersonic Tactical Boost Glide system as a risk-reduction effort for the U.S. Air Force’s Air-launched Rapid Response Weapon.

A glide bomb equipped with a new seeker destroyed a full-scale ship in the Gulf of Mexico test range for the second time on April 28, moving a technology for a new class of air-launched weapons closer to fielding, the U.S. Air Force Research Laboratory says.

Our roundup of the main aerospace and defense stories making the news this week.

Fresh off comments about problems with rocket motor supply and the need to make small, strategic acquisitions for advanced aerospace technology, Raytheon Technologies has invested in custom-made rocket engine-maker Firehawk Aerospace.

South Korea’s Defense Acquisition Program Promotion Committee has greenlit the KRW760 billion ($600 million) purchase of Raytheon SM-6 missiles for the navy’s new KDX III Batch II destroyers.

Taiwan’s new hypersonic R&D office; North Korean nuke pledge; Capella Space raises cash for analysis; and Lockheed’s radar upgrades.