The cost of the Varshavyanka diesel-electric submarine with Kalibr-PL missiles for foreigners has been named
IDRW: India was offered a decommissioned submarine along with weapons for $300 million
proekt 636 «Varshavyanka»
Algeria showcases old Russian submarines in action: a fleet of six submarines has survived four decades
The first two Project 877EKM boats arrived in the 1980s, followed by four Project 636 submarines