The U.S.' CH-53K King Stallion is big, but it's not the largest military chopper out there. Here's what you should know about ...

Russia and its former Soviet Union have never been afraid to supersize military hardware, such as the behemoth Mil V-12 helicopter, the largest helicopter in history. This large aircraft ...

but civilian transport by helicopter, especially in large and sparsely populated regions, is common enough. It was once even big business in the Soviet Union, where the Aeroflot airline operated ...

At the height of the Cold War, the Soviet Union developed one of the most iconic helicopter gunships in ... protecting the pilots from bullets as large as those fired by .50-caliber machines ...