The Atlantic Bastion
Think tank: RUSI
Author(s): Dr Sidharth Kaushal; Commander Edward Black
December 16, 2025
This report from UK think tank RUSI assesses the probable deterrent effect of the Atlantic Bastion.
This research paper explores the strategic concept of the Atlantic Bastion, a key element of the UK’s Strategic Defence Review 2025, designed to bolster NATO’s maritime deterrence against Russian submarine threats in the North Atlantic.
The authors assess the Bastion’s current deterrent value and propose refinements to enhance its effectiveness in countering Russian naval strategies.
