Rossia
... that the Russian armored cruiser Rossia became the first warship to use an aerial device on the high seas during a time of war when she flew an observation balloon in May 1904 during the Russo-Japanese War?
... that the Russian <a href="./Armored_cruiser" id="mwFY4" rel="mw:WikiLink" title="Armored cruiser">armored cruiser</a> <i id="mwFY8"><b id="mwFZA"><a href="./Russian_cruiser_Rossia" id="mwFZE" rel="mw:WikiLink" title="Russian cruiser Rossia">Rossia</a></b></i> <i id="mwFZI">(pictured)</i> became the first warship to use an aerial device on the high seas during a time of war when she flew an <a href="./Observation_balloon" id="mwFZM" rel="mw:WikiLink" title="Observation balloon">observation balloon</a> in May 1904 during the <a href="./Russo-Japanese_War" id="mwFZQ" rel="mw:WikiLink" title="Russo-Japanese War">Russo-Japanese War</a>?