The first known example of a practical cloaking device was on a Rihannsu Bird of Prey that crossed the Rihannsu Neutral Zone in 2266. An improved cloaking device used by Rihannsu warships in 2268 was of sufficient concern to the Federation that Kirk and Spock were sent on a covert mission into Rihannsu territory to steal one such unit for analysis by Starfleet scientists.
Although the Rihannsu are continually improving their cloaking technology, Federation innovations such as the tachyon detection grid technique developed by Geordi La Forge in 2368 serve to reduce the tactical effectiveness of cloaked ships. Defensive shields are also inoperative when a ship is cloaked.
An experimental cloaking device, based on an interphase generator, was developed by Rihannsu scientists and tested in 2368, and it is known that Starfleet has a policy against use of such devices and is prevented from doing so by the Treaty of Algeron, which concluded the Rihannsu Wars around 2160.
Graphical Rihannsu Page
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