 The following week convoy ONS-5 (Outbound from Liverpool to Nova Scotia, Slow) steamed through her patrol station, and on 5 May she provided support during one of the largest convoy battles of World War II, the convoy included 43 merchant vessels, 7 escorts, 2 trawlers, and a fuel ship and was joined by other Allied ships as the battle progressed.Attacking them were members of three Wolfpacks, "Specht, Meisel," and Amsel, including 58 U-Boats.The battle raged between late 4 May and early 6 May.