Ar'Kala class

The Ar'Kala class Tactical Warbirds were starships developed by the Romulan Republic in the aftermath of the destruction of Romulus and Remus. These were variants of the Ar'Kif class Tactical Warbirds that were designed to provide Romulan commanders with added firepower when combating the Tal Shiar or the Elachi in 2409. (STO website: Legacy of Romulus Dev Blog #43)