U.S. military says it found potential risk with new Chinook rotor blades

On 13 January, the Pentagon’s director of operational test and evaluation has released his 2020 annual report on major Defense Department weapon systems, highlighting the identified issues with new fully composite blades of Chinook CH-47F Block II helicopter. Developed by Boeing and the U.S. Army, the ACRB is a new fully composite blade with a swept-tip design. […]