Alphabetical index Search within NATO A-Z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # Oceanography and meteorology Meteorology and oceanography Last updated: 05 Dec. 2019 16:35 Open Door policy (Enlargement and Article 10) Enlargement and Article 10 Last updated: 06 Jul. 2022 10:24 Operation Active Endeavour (2001-2016) Operation Active Endeavour (2001-2016) Last updated: 19 May. 2022 13:01 Operations, Counter-piracy - (2008-2016) Counter-piracy operations (2008-2016) Last updated: 19 May. 2022 12:57 Operations and missions: past and present Operations and missions: past and present Last updated: 14 Jun. 2022 13:11 Operation Sea Guardian Operation Sea Guardian Last updated: 17 May. 2021 17:05 Operations Policy Committee Operations Policy Committee Last updated: 28 Mar. 2022 16:33 OSCE, Relations with - Relations with the OSCE Last updated: 26 Apr. 2021 12:17