Kammala wannan jumlar: A lokacin Yakin Balkan na Biyu, sojojin ƙasa na Romania sun ƙetare Danube kuma sun mamaye Bulgaria. A lokacin yakin, "Mihail Kogălniceanu" na daga cikin rukunin jiragen ruwa da ke jigilar sojojin Romania daga Corabia zuwa gabar tekun Bulgaria. A mayar da martani ga mamayewar Romania,
Rundunar sojan ruwa ta Bulgaria ta nitse da jiragen ruwa hudu na Danube don hana su kama su. Jirgin ruwa guda huɗu sun kasance jiragen ruwa 400<unk>600, tare da saurin sauri na 11 knots kuma suna dauke da bindigogi biyu zuwa hudu na 75 mm da bindigogi biyu zuwa hudu na 47 mm. Har yanzu suna nan a cikin jerin jiragen ruwa na Bulgarian a watan Agusta 1916.