There are no plans to discontinue the construction of Project 677 Lada-class diesel-electric submarines (SSK) yet, Deputy Navy Commander-in-Chief Vice Admiral Alexander Fedotenkov told journalists on Thursday. The second and third submarines, the Kronstadtand Velikiye Luki, will be delivered later than scheduled in 2019 but the Russian Navy says the class is much quiter compared to the Project 636 Kilo-class.