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

Editors are joined by Wall Street analyst Scott Mikus to break down how global trade turmoil affects OEMs.

Rolls-Royce is in the final stages of flight tests of its ALECSys (Advanced Low-Emissions Combustion System) lean-burn combustor system.

Taiwan’s state-backed drone industry alliance is expeditiously decoupling from China-based supply chains, Chairman Hu Kai-Hung tells Aviation Week.

The new Trump tariffs and trade wars could indelibly alter the global aerospace and defense industry.

China’s Comac is studying a potential low-boom supersonic airliner for possible mid-century market entry; a study published in China details the design.

Airbus is discussing internally the level of required investment to address growing defense demand, CEO Guillaume Faury says.

The Chinese government has reportedly blocked its airlines from taking delivery of Boeing aircraft and U.S.-made aerospace equipment.