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:
PSA USN Hydrofoil Airplane. The U.S. Navy performed successful test flights of an experimental seaplane fitted with supercavitating hydrofoil system. Success of these test flights is another important step in the U.S. Navys efforts to improve seaplane operations in rough waters. The aircraft used for these tests is Coast Guard