Through the way of becoming a NATO Accredited Center of Excellence (COE); MARSEC COE, as a framework nation, after several coordination visits and meetings and also inputs of NATO Allied Command Transformation (ACT), Allied Maritime Command (MARCOM), Combined Joint Operations from the Sea Centre of Excellence (CJOS COE) and Centre of Excellence for Operations in Confined and Shallow Waters (COE CSW); conducted the First Establishment Conference on 4-7 February 2019 and the Second Establishment Conference on 6-9 May 2019, and have finalized MARSEC COE concept together with Operational and Functional Memorandum of Understanding (MoU)s with consensus of all participants. Greece and Romania declared their intentions as sponsoring nations for NATO MARSEC COE and MoU signing ceremony was held with the participation of Türkiye as the framework nation, Romania and Greece as the sponsoring nations and ACT on 18 October 2019.
MARSEC COE 1st Steering Committee (SC) Meeting was conducted on 5-6 February 2020 with the participation of representatives from Türkiye, Greece, Romania, Azerbaijan, Georgia, Portugal, Qatar, Spain and NATO ACT at MARSEC COE in İstanbul. Later on, MARSEC COE Accreditation Assessment Visit was conducted on 04-05 March 2020 by the NATO ACT CPD representatives at MARSEC COE in İstanbul. As of 8 June 2020, Multi-National Maritime Security Centre of Excellence achieved the status of “International Military Organization” as the 26th centre of excellence accredited to NATO.
 Smart Defence is a cooperative way of generating modern defence capabilities that the Alliance needs, in a more cost-efficient effective and coherent manner.