A new photo of the second B-21’s first flight offers a new look at the engine exhaust, which appears very similar to the B-2’s one. Last week, the second B-21 Raider stealth bomber took to the skies ...

Turns out, running a dual exhaust system isn't always better for power, at least when compared to a single-exit setup. There are nuances to this, of course, but the power difference is real, as ...