Later "U-95" joined, attacking the damaged "Conch"; "Conch" was again hit, but remained afloat. "U-99", commanded by another ace, Otto Kretschmer, was en route to join the attack, but encountered the Royal Navy armed merchant cruiser on her way to join OB 251 as ocean escort. Kretschmer attacked her, and hit "Forfar" five times with torpedoes; she sank with the loss of 172 of her crew, leaving 21 survivors. "U-43" also missed the convoy, but fell in with OB 251, sinking two ships, while the , having attacked HG 43, also missed HX 90, but found SC 13, attacking and sinking one ship. On the morning of 2 December the pack was joined by "U-52", which sank two ships, "Tasso" and "Goodleigh". The convoy was joined by a further two escorts, the British sloop and corvette , also from OB 251. They were assisted by the Royal Canadian Navy destroyer , which had been travelling with "Forfar" but had detached to reinforce HX 90's escort. "Viscount" and "St. Laurent" attacked numerous asdic contacts, making thirteen depth-charge attacks over four hours. No U-boats were hit, but all were kept submerged and silent, allowing HX 90 to escape. Later that evening, however, the convoy was sighted again, by newcomer "U-94"; she attacked during the night of 2–3 December and sank two more ships, "Stirlingshire" and "Wilhelmina". Also that night, "U-99" found and sank a straggler, "Victoria City", (though other sources say she was sunk by "U-140") and the damaged "Conch", which she also sank. No further U-boat attacks developed for HX 90, though on 3 December "W Hendrik" was bombed by German aircraft and sunk. The convoy met its local escort on 5 December and arrived in Liverpool later that day. U-Boat Command (BdU), in the person of Rear Admiral Karl Dönitz, was delighted with the attack, believing his U-boats had sunk eighteen ships of over 120,000 GRT. In fact the confirmed loss to HX 90 was eleven ships of 73,495 GRT (other sources give 73,958 GRT). During the same period the pack had also sunk HMS "Forfar", two ships from OB 251, and another from SC 13, and had damaged an escort from HG 47.