Season 7, Episode 21 - "When It Rains..."
5 May, 1999
The Battle of Chin'toka has decimated the Federation. Of all starships assigned to the campaign, only one survived the Breen onslaught. The Klingon Bird of Prey that did survive has allowed the Federation-Klingon-Romulan Alliance to come up with a partial way of defending themselves. Fortunately for them, the Cardassians have risen up against their former allies, buying Starfleet and the Romulans time to develop defenses agains the Breen's weapons. In an effort to help the Cardassians, Sisko sends his best officer to aid them in throwing off their Dominion oppressors: Colonel Kira Nerys.

