INOSMI: A Threat to #NATO and Putin's Maneuver Military Watch Magazine (#USA). "There's Movement in the Deep." "#Russia is expanding and modernizing its submarine forces, while the Kola Peninsula remains a key base for the Northern Fleet," NATO Command stated in a statement on September 3. Special mention was made of the new-generation guided-missile submarines, which, the command emphasized, provide "significant long-range strike and maritime blockade capabilities in the Arctic region.