"...Basically, a hybrid airship relies upon lighter-than-air helium to provide 80 percent of the lift that keeps it aloft, and gets the other 20 percent from the aerodynamic lift that the body creates when it acts as an airfoil.
Put all that together, and the Lockheed Martin LMH-1 is an aircraft about the size of a football field, capable of carrying 47,000 pounds (21,3120 kilograms) of cargo and up to 19 passengers at a cruising speed of nearly 70 miles (113 kilometers) per hour.
It also can land in a relatively short space (about seven times its length) and set down on flat terrain without moorings, due to its four hovercraft-like landing pads."
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