This page contains information regarding Star Trek: Discovery, and thus may contain spoilers.
In 3069, this class saw the loss of many of its ships to the Burn. Ships with active warp cores were destroyed when their dilithium became inert, resulting in antimatter explosions. (DIS: "People of Earth")
In 3189, the fleet at Federation Headquarters included the USS Nog, a ship of this class. The collective energy of this fleet sustained a distortion field that concealed the headquarters' location. (DIS: "Die Trying")
A better view of the design was used in promotional artwork on social media.