"high point " was the first of a series of hydrofoil craft designed to evaluate the performance of this kind of craft for the us navy. she has three submerged foils containing propulsion nacelles and propellers, and was also capable of riding on her hull like a more conventional ship. on her foils, "high point " obtained very high-speed and was evaluated for mobility and flexibility as an antisubmarine force. the craft carried out tests in puget sound during 1963-1967.