The G2-class was a Klingon police gunboat starship in Imperial Defense Force service in the 23rd century, becoming active on stardate 2250.0. The G-2 vessels were built on the standard small bird-of-prey hull spaceframe. The vessels crewed 13, with space to carry 4 marine troops for deployment. Additionally, the G-2 was loaded with a single standard personnel transporter and also a single tractor beam. A berth for one Klingon shuttlecraft was standard to these vessels.