The US Air Force (USAF) will refrain from making a decision on a much-watched sixth-generation fighter development programme, leaving the issue to the incoming administration of president-elect Donald ...

The Air Forces wants to revamp its next-generation fighter jet plans to get costs below the price tag of an F-35 jet. But outside experts warn a cheapening of the program could lead to its demise. Air ...

The study aimed to evaluate the acute effect of the incremental running test on the accuracy and repeatability of submaximal force generation in adolescent athletes (biathletes and runners) with ...