The 25 November, 2018 Kerch Strait incident map. Based on open-source information. Own work. Base map rendered in GMT, 12nm line calculated in MMQGIS, post-processing in Inkscape.
<p>Triangles - FSB data
</p>
Circle - Ukrainian Navy data
<a href="//commons.wikimedia.org/wiki/User:VictorAnyakin" title="User:VictorAnyakin">VictorAnyakin</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>