If you have heard of the DC-10 Twin, then you might ask a deceptively simple question: why did McDonnell Douglas create the DC-10 with three engines, rather than a more efficient two-engine layout? At ...

The Boeing B-52 Stratofortress looks like a relic from another era, and in some ways it is, but its eight small turbojets remain one of the most distinctive design choices in military aviation. Modern ...