Rubuta ci gaba don wannan sakin layi - HMS "Defender" ya kasance mai hallaka D-class wanda aka gina don Royal Navy a farkon shekarun 1930. Da farko an sanya jirgin zuwa Jirgin Ruwa na Bahar Rum kafin a tura shi zuwa Tashar China a farkon shekarar 1935. An tura shi na ɗan lokaci a cikin Bahar Maliya a ƙarshen 1935 yayin Rikicin Abyssinia, kafin ya koma tashar da aka ba shi inda ya kasance har zuwa tsakiyar 1939. An sake mayar da "Defender" zuwa Jirgin Ruwa na Bahar Rum kafin yakin duniya na biyu ya fara a watan Satumba na 1939. An danƙaita shi zuwa Afirka ta Yamma don aikin rakiyar jirgi a 1940 kafin ya koma Bahar Rum. Jirgin ya shiga cikin yaƙe-yaƙe na Calabria, Cape Spartivento, da Cape Matapan
a shekara mai zuwa ba tare da lalacewa ba. "Defender" ya taimaka wajen kwashewa daga Girka da Crete a watan Afrilu-Mayu 1941, kafin ta fara gudanar da ayyukan samar da kayayyaki zuwa Tobruk, Libya a watan Yuni. Jirgin ya lalace sosai da wani jirgin saman Jamus a daya daga cikin wadannan manufofi kuma dole ne ya rushe shi da matarsa a ranar 11 ga Yuli, 1941.