Recent Examples on the WebHahn described these countermine crafts, the most widely used version being the MK18, as a gateway to broader naval use of unmanned underwater systems.The Atlantic, 3 Sep. 2019 Depending on the mission modules installed onboard, the USS Jackson can perform anti-submarine warfare, anti-surface warfare and countermine warfare. Beth Nakamura, OregonLive.com, 8 June 2017