Hearing two Rolls-Royce Merlin 25 V-12 engines come to life on a de Havilland Mosquito is something I’ll never forget. At East Kirkby, I watched as the ground crew prepped the legendary wooden warbird ...

Russia and its former Soviet Union have never been afraid to supersize military hardware, such as the behemoth Mil V-12 helicopter ... helicopter, with its quartet of Soloviev D-25VF engines ...