The Orkan class or projekt 660 (Sassnitz class in NATO code) is series of three fast attack craft

Fast Attack Craft

Fast Attack Craft are small, fast, agile and offensive warships, that are armed with anti-ship missiles, guns or torpedoes. These are usually operated in close proximity to land as they lack both the sea-keeping and all-round defensive capabilities to survive in blue water. The size of the vessel...

 of the Polish Navy, in service since 1992.

History

The original project was prepared by the German Democratic Republic

German Democratic Republic

The German Democratic Republic , informally called East Germany by West Germany and other countries, was a socialist state established in 1949 in the Soviet zone of occupied Germany, including East Berlin of the Allied-occupied capital city...

 for its navy and was named Project 660, it also received the NATO reporting name "Sassnitz". After the Unification of Germany

German reunification

German reunification was the process in 1990 in which the German Democratic Republic joined the Federal Republic of Germany , and when Berlin reunited into a single city, as provided by its then Grundgesetz constitution Article 23. The start of this process is commonly referred by Germans as die...

 the unfinished hull

Hull (watercraft)

A hull is the watertight body of a ship or boat. Above the hull is the superstructure and/or deckhouse, where present. The line where the hull meets the water surface is called the waterline.The structure of the hull varies depending on the vessel type...

s were bought by the Polish Navy

Polish Navy

The Marynarka Wojenna Rzeczypospolitej Polskiej - MW RP Polish Navy, is the branch of Republic of Poland Armed Forces responsible for naval operations...

 from VEB Peenewerft shipyard in Wolgast

Wolgast

Wolgast is a town in the district of Vorpommern-Greifswald, in Mecklenburg-Vorpommern, Germany. It is situated on the bank of the river Peenestrom, vis-a-vis the island of Usedom that can be accessed by road and railway via a bascule bridge...

 and successfully completed by Northern Shipyard in Gdańsk

Gdansk

Gdańsk is a Polish city on the Baltic coast, at the centre of the country's fourth-largest metropolitan area.The city lies on the southern edge of Gdańsk Bay , in a conurbation with the city of Gdynia, spa town of Sopot, and suburban communities, which together form a metropolitan area called the...

.

List of ships

Pennant number Pennant number In the modern Royal Navy, and other navies of Europe and the Commonwealth, ships are identified by pennant numbers...	Name	Commissioned
421	Orkan	18 September 1992
422	Piorun	11 March 1994
423	Grom ORP Grom (1995) ORP Grom is an Orkan-class fast attack craft , sister ship of Orkan and Piorun.The original project was prepared by the German Democratic Republic for its navy and was named Project 660...	28 April 1995

The lead ship of the class is named Orkan , while other two ships are Piorun and Grom . Piorun

ORP Piorun (G65)

ORP Piorun was an used by the Polish Navy during the Second World War. The name is Polish for "Thunderbolt".-History:The ship was built by John Brown & Company of Clydebank, Glasgow. She was laid down in July 1939, launched on 7 May 1940 and completed on 4 November 1940...

 and Grom were famous Polish destroyers of the Second World War. Orkan

Grom class destroyer (1939)

The improved Grom-class destroyers of 1939 were the third and fourth planned ships of the Grom class of destroyers ordered for the Polish Navy shortly before World War II. They were to be built in Poland, the first destroyers so constructed, and were to be named Huragan and Orkan , respectively...

was to have been the first destroyer constructed in Poland, but her construction was interrupted by the start of the World War II.