Squadron 21F Insignia of French Naval Patrol and Maritime Surveillance Aviation For copyright and licencing information: https://commons.wikimedia.org/wiki/File:Blason_21F.jpg Additionally, The copyright holder of this work, releases this work into the public domain. This applies worldwide. In some countries this may not be legally possible. If so, the copyright holder grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.