ending ▁the ▁southern ▁end ▁of ▁the ▁English ▁Channel ▁between ▁D over ▁and ▁D unk irk . ▁He ▁was ▁attached ▁as ▁an ▁additional ▁officer ▁to ▁HMS ▁Att ent ive ▁from ▁April ▁ 1 9 1 7 ▁for ▁service ▁ab o ard ▁ML   2 8 3 , ▁and ▁promoted ▁temporary ▁lieutenant ▁on ▁ 1 0 ▁September ▁ 1 9 1 7 . ▁ ▁On ▁ 1 2 ▁April ▁ 1 9 1 8 , ▁the ▁engine ▁room ▁of ▁ML   3 5 6 ▁expl oded ▁at ▁D unk irk ▁qu ay , ▁and ▁the ▁forward ▁pet rol ▁t anks ▁burst ▁into ▁fl ames . ▁Several ▁of ▁the ▁launch ' s ▁crew ▁were ▁blow n ▁over board ▁by ▁the ▁explos ion , ▁while ▁the ▁remainder ▁were ▁driven ▁off ▁by ▁the ▁fire . ▁Fl ames ▁soon ▁began ▁to ▁issue ▁forth ▁from ▁the ▁cabin , ▁and ▁burning ▁pet rol ▁spread ▁on ▁the ▁surface ▁of ▁the ▁water . ▁As ▁others ▁proceeded ▁to ▁fle e ▁the ▁scene , ▁Bag ot , ▁along ▁with ▁Lieutenant ▁Robin ▁Ho are , ▁real ised ▁the ▁fire ▁was ▁threaten ing ▁the ▁a ft ▁pet rol ▁t anks ▁and ▁the ▁depth ▁charges ▁located ▁on ▁board ▁the ▁launch . ▁J ump ing ▁in ▁a ▁d ing hy , ▁the ▁pair ▁row ed ▁out ▁towards ▁the ▁bla ze . ▁On ▁reaching ▁the ▁w reck , ▁Bag ot ▁and ▁Ho are ▁removed ▁the ▁depth ▁charges ▁despite ▁the ▁fl ames ; ▁thus ▁prevent ing ▁any ▁further ▁explos ion . ▁ ▁For ▁their ▁actions ▁during ▁the ▁eng agement , ▁both