Austrian emperor and Hungarian-Croatian king <a href="https://en.wikipedia.org/wiki/Karl_I_of_Austria" class="extiw" title="w:Karl I of Austria">Charles I</a> onboard <a href="https://en.wikipedia.org/wiki/SMS_Admiral_Spaun" class="extiw" title="w:SMS Admiral Spaun">SMS <i>Admiral Spaun</i></a> in Pula harbour in October 1917; behind him Austro-Hungarian Navy commander, <a href="https://en.wikipedia.org/wiki/Maximilian_Njegovan" class="extiw" title="w:Maximilian Njegovan">admiral Njegovan</a> (left) and ship's commander, ship-of-the-line captain <a href="https://en.wikipedia.org/wiki/Janko_Vukovi%C4%87" class="extiw" title="w:Janko Vuković">Vuković-Podkapelski</a> (right)
Austro-Hungarian Navy official photographer
Unknown source<span style="display: none;">Unknown source</span>