As Earth gained it first victory at Berengaria and began amassing forces for the retaking of Deneva, Romulan supreme commander Valdore withdrew forces from Deneva in preparation for the invasion of Tau Ceti IV. As Coalition forces attacked Deneva, the Romulan forces moved to attack the lightened defenses at Tau Ceti IV. (ENT novel: The Romulan War: Beneath the Raptor's Wing)