/ n ▁ 2 0 ▁was ▁converted ▁to ▁Liber ator ▁GR . M k . I ▁and ▁assigned ▁to ▁ 1 2 0 ▁Squadron . ▁Squadron ▁code ▁O H - H . ▁▁ 1 2 ▁October ▁ 1 9 4 2 , ▁attacked ▁and ▁s unk ▁ ▁south west ▁of ▁I cel and ▁while ▁on ▁esc ort ing ▁con voy ▁O NS ▁ 1 3 6 . ▁Three ▁days ▁later ▁it ▁attacked ▁ ▁and ▁ ▁while ▁esc ort ing ▁con voy ▁SC ▁ 1 0 4 . ▁On ▁ 5 ▁November ▁ 1 9 4 2 , ▁attacked ▁and ▁dam aged ▁ ▁while ▁esc ort ing ▁con voy ▁SC ▁ 1 0 7 . ▁While ▁esc ort ing ▁Con voy ▁H X ▁ 2 1 7 , ▁on ▁ 7 ▁December ▁ 1 9 4 2 ▁it ▁forced ▁four ▁sub mar ines ▁( , ▁, ▁ ▁and ▁) ▁to ▁break ▁off ▁attacks . ▁On ▁ 2 4 ▁June ▁ 1 9 4 3 , ▁esc ort ing ▁con voy ▁O NS ▁ 1 1 , ▁it ▁attacked ▁and ▁s unk ▁ ▁with ▁ 2 ▁depth ▁charges ▁south - west ▁of ▁I cel and . ▁On ▁ 1 7 ▁October ▁ 1 9 4 3 , ▁attacked ▁and ▁s unk ▁ ▁while ▁on ▁con voy ▁esc ort ▁O NS ▁ 2 0 6 ▁( shared ▁kill ▁with ▁B Z 7 1 2 ▁of ▁ 5 9 ▁S q dn ▁east ▁of ▁Cape ▁F are well , ▁Green land ). ▁ ▁Convert ed ▁to ▁Liber