The Russian/Soviet AK-100 100mm gun is found on the modern Neustrashimy, Udaloy I and Krivak II classes, as well on the Admiral Ushakov (-ex Kirov) battlecruiser. This single DP gun is stil in current use; the recently launched Yaroslav Mudry, a Neustrashimy class, has one forward. This gun was supplanted by the AK-130 on larger combatants. (The AK-130 weighs almost x3 a AK-100)