The Lockheed Martin F-35 has been cleared to resume ground operations, but no flight tests are allowed until safety investigators determine what caused a control valve to malfunction on 2 August. The ...

In an effort to find out how grounding test equipment and methods compare to their presentation theme on “Apples to Oranges to Banana Pudding,” EC&M Editor-in-Chief Ellen Parson sat down with Lee ...

General Atomics' version of a collaborative combat aircraft, the YFQ-42A, began ground testing May 7 and is expected to have its first flight this summer. (General Atomics) General Atomics announced ...

Hypersonic start-up Hermeus has completed ground testing of its Quarterhorse Mk 1 vehicle and is preparing to launch a flight test campaign for the subsonic jet. The Atlanta-based firm on 17 December ...