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Valour-class frigate
The South African Valour-class frigates are the major surface ships of the South African Navy. Their German manufacturer designates these warships as the MEKO A-200SAN type, member of its MEKO family of naval ships. They were designed and built using principles of stealthy design, including the extensive use of "X-form" structure design in which right angles and vertical surfaces are avoided, and techniques to reduce the infrared signature, such as expelling pre-cooled exhaust gasses just above the waterline. Blohm + Voss, the designers, claim that this class has the radar signature of a vessel one-half her size, 75% less infrared emissions than previous designs, as well as a 20% lower life-cycle cost, 25% lower displacement, and 30% fewer crewmen.
== History ==
For most of the 1980s and 1990s, the South African Navy had no operational ships fulfilling the multi-purpose and multi-capable frigate role, which includes guided-missile anti-surface and anti-air warfare roles. The purchase of SAS ''Good Hope'' from France was stopped at the last minute in 1977 by United Nations Security Council Resolution 418; one of its three "Type 12" () anti-submarine warfare (ASW) frigates, , was lost in an accident in 1982, while the last, , was decommissioned in 1986 due to obsolescence.
Project Sitron was part of the Strategic Defence Package (commonly known as the arms deal) signed on December 3, 1999 with the European South African Corvette Consortium (ESACC). The contracts became effective on April 28, 2000. ''Amatola'' arrived in South African waters in November 2004, ''Isandhlwana'' in February 2005, ''Spioenkop'' in May and ''Mendi'' in September 2005.
These frigates were built by the Blohm + Voss shipyards in Germany, two in Hamburg, and the other two in Kiel.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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