Russkaya was a Soviet Union research station located in the Antarctica. The H.A.R.M. Antarctica Base is located two hours south of Russkaya according to a memo found by Cate Archer at the H.A.R.M. India Headquarters.
The events of No One Lives Forever 2: A Spy in H.A.R.M.'s Way happen in the late 1960's. Russkaya Base was not proposed until 1972 and would not be operational until 1980. The base was shut down in 1990.
Russkaya Station on Wikipedia