At a shipyard in Bayou Sauvage, more than 600 workers are building the next generation of hovercrafts for the U.S. military.

Rudy Heeman has, over 11 years, transformed his hovercraft into a wing-in-ground-effect vehicle. Heeman says he’s found the ideal flight altitude under the vehicle’s 7-meter wingspan to be about 1.5 ...

While commercial hovercraft faded from everyday use, the U.S. Navy’s LCAC (Landing Craft Air Cushion) kept the technology ...