Add Yahoo as a preferred source to see more of our stories on Google. GettyImages 1162586556 Photo12 Universal Images Group Getty Images USE Why would anyone opt for a twin-engine setup for a fighter?

WASHINGTON, June 9 (Reuters) - U.S. President Donald Trump's vision of a new, twin-engine version of Lockheed Martin's F-35 fighter jet may need to be scaled back due to cost and engineering realities ...

Why would anyone opt for a twin-engine setup for a fighter? Well, sometimes a bigger aircraft was required for greater range, or armament or a second crewmember to navigate or operate a radar. Here we ...