The Sparviero class is a Guided Missile Patrol Boat designed for and formerly used by the Italian Navy

Italian Navy

Italian Navy may refer to:* Pre-unitarian navies of the Italian states* Regia Marina, the Royal Navy of the Kingdom of Italy * Italian Navy , the navy of the Italian Republic...

. The Japanese 1-go class missile boat is an updated version formerly used by the Japan Maritime Self-Defense Force

Japan Maritime Self-Defense Force

The , or JMSDF, is the naval branch of the Japan Self-Defense Forces, tasked with the naval defense of Japan. It was formed following the dissolution of the Imperial Japanese Navy after World War II....

 (JMSDF). They are the fastest craft in Italian and Japanese naval history. A small hydrofoil

Hydrofoil

A hydrofoil is a foil which operates in water. They are similar in appearance and purpose to airfoils.Hydrofoils can be artificial, such as the rudder or keel on a boat, the diving planes on a submarine, a surfboard fin, or occur naturally, as with fish fins, the flippers of aquatic mammals, the...

, it is capable of traveling at speeds of 46 knots, and is one of the last military hydrofoil

Hydrofoil

A hydrofoil is a foil which operates in water. They are similar in appearance and purpose to airfoils.Hydrofoils can be artificial, such as the rudder or keel on a boat, the diving planes on a submarine, a surfboard fin, or occur naturally, as with fish fins, the flippers of aquatic mammals, the...

 types to enter service.
The Sparviero class fast attack hydrofoil was designed in Italy by Fincantieri located in Muggiano, Italy and based on the US Navy's Tucumcari class hydrofoil.