On 27 June 1942, "Poppy" departed Reykjavik, Iceland, escorting convoy PQ-17, bound for Arkhangelsk, Russia. On 4 July 1942, the Admiralty ordered the convoy to disperse. "Poppy" rescued 53 survivors from the United States cargo ship , at . Efforts were made by the captain of to repair "Hoosier" and take her under tow, but when the was spotted astern she was again abandoned and "Poppy" tried to sink "Hoosier" with gun fire, but was unsuccessful.