British Navy HMS Blyth minehunter ship conducts training to prepare deployment with NATO MARCOM British Navy HMS Blyth minehunter ship conducts training to prepare deployment with NATO MARCOM Saturday, 30 January 2021 13:21 According to a Tweet published on January 27, 2021, the British Navy HMS Blyth minehunter ship conducts some training in the Firth of Clyde in preparation for her upcoming deployment with the NATO MARCOM, Allied Maritime Command. (Picture source Twitter HMS Blyth) Allied Maritime Command (MARCOM) is the central command of all NATO maritime forces and the MARCOM Commander is the primary maritime advisor to the Alliance. Like its land and air counterparts (LANDCOM & AIRCOM), MARCOM answers directly to NATO’s Allied Command Operations (ACO) which is located in Mons, Belgium.