Quondam Futurusque 6/7; the Doctor, Sisko, Ace, Kira, the mirror universe, surprises; PG

Title: Quondam Futurusque 6/7
Author: scarfman
Characters/Pairing: the Doctor, Sisko, Ace, Kira, the mirror universe, surprises
Rating: PG
Setting/Spoilers: both franchises c.1995
Disclaimer: This work is derivative of property of the BBC and Paramount Studios. No profit shall be made and no market of the owner(s) is infringed upon.
Summary: The Latin means once and future and is an allusion to King Arthur's supposed epitaph. When the mirror universe Alliance intrudes on the Federation, the Doctor and Sisko discover the Alliance has an unsuspected ally - so they arrange for their own.
crossposted scarfman dwfiction crossing_who trek_fanfiction

( ''That middle-aged has-been? I thought I'd heard the last of <i>him</i>.'' )