The Kalandra Campaign was a Federation Alliance offensive against Dominion positions within the occupied Kalandra sector during the Dominion War in 2375. (LUG RPG: The Dominion War Sourcebook: The Fires of Armageddon) With the information gained from the captured Dominion subspace relay on AR-558 Starfleet Command devised a strategy to retake the Kalandra sector, which the Dominion had held from before the Battle of Betazed. The strategy was based around the Seventh and Tenth Fleets cutting the supply lines through the sector.