Operation Sharp Guard was a multi-year joint naval blockade in the Adriatic Sea by NATO and the Western European Union on shipments to the former Yugoslavia. Warships and maritime patrol aircraft from 14 countries were involved in searching for and stopping blockade runners. The operation began on 15 June 1993. It was suspended on 19 June 1996, and was terminated on 2 October 1996.

Standing NATO Maritime Group 2 (SNMG2) is a North Atlantic Treaty Organization (NATO) standing maritime immediate reaction force. SNMG2 consists of four to six destroyers and frigates. Its role is to provide NATO with an immediate operational response capability.