US Navy reveals new breed of amphibious UAVs
A four-propeller drone called the Aqua-Quad is being developed in California, and so far proven ability to achieve lift-off from the surface of water and ride out rough waves.
US Navy reveals new breed of amphibious UAVs
A four-propeller drone called the Aqua-Quad is being developed in California, and so far proven ability to achieve lift-off from the surface of water and ride out rough waves.