Sail of Polish project 877E (NATO: Kilo) class submarine ORP Orzel (291). Characteristic symbol of white eagle is visible
<a href="//commons.wikimedia.org/wiki/User:Airwolf" title="User:Airwolf">Łukasz Golowanow</a> &amp; Maciek Hypś, Konflikty.pl
Attribution
<a href="//commons.wikimedia.org/wiki/File:ORP_Orze%C5%82.JPG" title="File:ORP Orzeł.JPG">File:ORP_Orzeł.JPG</a>