Russian submarine Carp (B-239)

B-239 Carp  (Карп) is a Russian Sierra-class submarine. It was known as K-239 before renaming in 1992. She was launched in 1983 and laid up in 1997. The submarine is planned to re-enter active duty by 2017 after overhaul. According to the shipyard Zvezdochka the submarine's titanium hull is in good shape.