The system was attacked in 2154 by the Vulcan High Command. (ENT episode: "Kir'Shara") The system was again attacked during the Earth-Romulan War in 2159, this time by Romulan forces. (ENT - The Romulan War novel: Beneath the Raptor's Wing) By the 24th century an array of subspace relay stations connected the system to Rigel. (TNG episode: "Conspiracy") During the Dominion War the Andorian system was considered by Starfleet to be of comparable strategic importance to Berengaria, Vulcan, and Earth. (DS9 episode: "Tears of the Prophets")