Ask the Editors: It is more destabilizing if our adversaries have them and we don’t.

A small cottage industry set up to support one-off experiments is now transforming into a billion-dollar sector of the missile market.

The acknowledgment is the clearest indication that Mayhem will serve as a testbed for dual-mode or turbine-based combined cycle (TBCC) hypersonic propulsion systems. 

Revealing the F-15EX’s first squadron; New F-16 sales; Russia orders Sukhoi upgrades; and NROL-44 scheduled for launch.

The U.S. Air Force’s nuclear weapons managers have started researching a key technology for an intercontinental range hypersonic glider.

Companies will have to ramp up internal R&D spending to keep pace.

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

Readers write about NASA’s Mars 2020 mission, Japan’s Aegis Ashore plan and Boeing’s midmarket airplane strategy.