SPARTAN 201 is a small, Shuttle-launched and -retrieved satellite, whose mission is to study the Sun. SPARTAN 201's science payload consists of two telescopes: the Ultraviolet Coronal Spectrometer (UVCS) and the White Light Coronagraph (WLC). Destroyed on STS-51L, redeployed on STS-56, STS-64 and STS-69.