The Solok was a Vulcan science vessel in service to the United Federation of Planets in the 2360s decade. In the year 2369, the Solok was assigned to re-map the Praxis Ring near the Klingon homeworld, Qo'noS. Arla Rees served aboard the Solok at this time. (DS9 - Millennium novel: The Fall of Terok Nor)