This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
outdoor sea With its foils in retracted position the US Navys USS Tucumcari PGH hydrofoil maneuvers near Seattle Washington. The foot craft is equipped with two water jet propulsion systems one for hullborne maneuvers and one for foilborne operations. With the gunboats underwater wings lowered the craft can fly at more than knots