IKS Naj'Sov

The IKS Naj'Sov was a Klingon Empire science vessel, prototype for the starship in Klingon Defense Force service in the early 2410s decade. The ship was based on the Federation starship. 

History
The Naj'Sov entered service in 2410. The Alpha Quadrant Alliance cooperated to launch a series of three modular science vessels, one per member state. It's counterparts were the - and research vessels.