The Landing Craft Air Cushion (LCAC) is an absolute unstoppable force for the US Navy. This hovercraft can move up to 70 tons of gear from ship to shore with ease. More from our close-up look at ...

An curved arrow pointing right. The Landing Craft Air Cushion (LCAC) is an absolute unstoppable force for the US Navy. This hovercraft can move up to 70 tons of gear from ship to shore with ease.

This top secret vehicle from Canadian Avro was part hovercraft ... with the U.S. military and if you look at it, you wonder how many UFO sightings it caused. Nothing like a flying disk 18 feet ...