The X-66 program heavily modified a McDonnell Douglas MD-90 aircraft to demonstrate a truss-braced version of the thin wing.

Boeing and NASA are to pause development of the X-66 flight demonstrator to focus their research on the evolution of long, ...

Welcome to Edition 7.41 of the Rocket Report! NASA and its contractors at Kennedy Space Center in Florida continue building a ...

The Federal Aviation Administration's head of commercial space is among employees opting to take an early retirement offer, the agency said on Thursday.

Based on a heavily modified McDonnell Douglas MD-90, the X-66 was intended to demonstrate a truss-braced version of the thin wing at full scale. The experimental aircraft formed the flagship of NASA’s ...

Boeing this summer will stop developing NASA's X-66 truss-braced-wing demonstrator aircraft and shift its focus specifically ...