Kammala jumla mai zuwa: Dukkanin hudu an umurce su a ƙarshen 1863 ko farkon 1864 kamar yadda Prussia da abokinsa Austria suka shirya don yakin Schleswig na biyu da Denmark, wanda ya fara a watan Fabrairun 1864. A lokacin yakin, an sanya jiragen ruwa guda hudu zuwa aikin tsaro a cikin Baltic Sea, kuma "Comet" ya ga aikin a
Yaƙin Jasmund a watan Maris na 1864, inda ta yi musayar wuta ba tare da tasiri ba tare da jirgin ruwa na Danish a cikin dogon lokaci. An aika da mambobi na biyar da na shida na aji, "Blitz" da "Basilisk", zuwa Tekun Bahar Rum a kan jirgin ruwa na horo kuma dole ne a tuna da su a farkon yakin. Sun shiga wani rukuni na Austrian tare da masu tsalle-tsalle da kuma karkashin "Kommodore" (Commodore) Wilhelm von Tegetthoff. Sojojin Austro-Prussian sun kai hari kan rundunar sojojin Denmark da ke kewaye da gabar tekun Arewa na jihohin Jamus a cikin yakin da aka yi a Heligoland, kodayake "Blitz" da "Basilisk" sun yi jinkiri don taka rawa a cikin yakin. Bayan yakin, an ci gaba da amfani da jiragen ruwa, galibi don gudanar da binciken gabar tekun Schleswig da Holstein, dukes da Austria da Prussia suka kama a lokacin yakin.