Not All Ships Are Big

The USS Excalibur is all that remains of Skyfalls vessel, Starsabre, after the battle near DS9. Officially the Sabre's scouting ship, the Excalibur survived the battle through sheer luck; a warp nacelle fracture keeping her at the base for weeks. The Excalibur remains in service, and is one of the refitted Nova class vessels that have been serving since the 2370s