 Other weapons are the automatic AK-130 gun system (except in "Kirov" which had two single guns instead), 10 torpedo/missile tubes (capable of firing SS-N-15 ASW missiles on later ships) and "Udav"-1 with 40 anti-submarine rockets and two sextuple RBU-1000 launchers.Russia is developing a new anti-ship missile to equip "Kirov"s called the 3M22 Tsirkon, which is capable of traveling at hypersonic speeds out to at least .If the missile passes developmental tests, it could enter service in 2020, being deployed first aboard "Admiral Nakhimov" and later in "Pyotr Veliky" when it finishes upgrades in 2022.