Respuestas al mensaje #27,319

A whole fleet of ships was wiped out by the Dominan between seasons 5 and 6 of DS9 and the federation lost control Betazed durring that same war...

Battle of Setlik III (from the Cardie's Perspective)

According to the DS9 technical manual Operation: Return (battle to retake DS9) was the single costliest in Federation history up to that point...