Oschu class

The Oschu-class was a type of shuttle used by the Elachi in conflicts in the early 25th century. 

History
Several flights of Oschu-class craft flew escort for Elachi walkers that attacked a Romulan colony in the Rhi system in 2409. 

Technical data
The Oschu-class was sometimes carried aboard dreadnoughts as a fighter craft. (STO website: Elachi Sheshar Dreadnought Cruiser)