 On 10 June 1943, "Escanaba" began escorting her last convoy, GS-24 from Narsarssuak to St. John's, Newfoundland, in company with the "Mojave" (Flag), "Tampa", "Storis", and "Algonquin".The vessels they were tasked to escort were USAT "Fairfax" and the tug USS "Raritan".At 0510 on 13 June, a large sheet of flame and dense smoke were seen rising from the "Escanaba", though no explosion was heard by the other ships in the convoy.