Historically utilized by the Klingon Imperial Defense Force, the D3 class of vessel was used primarily for escort and bombardment missions up until the 2150s. It was then re-classified as an Interceptor and has since been widely adopted as a forward scout. Its nuclear fusion impulse engines allow it to move quickly in and out of danger, and it is armed with light disruptors should it need to engage a foe larger and more heavily armored than itself. While not as well armed as its cousin, the D4 class, the D3 is still a reliable and efficient vessel that should never be underestimated.