 "U-953"s second Atlantic patrol from 2 October to 17 November 1943 was uneventful, but her next, which began on 26 December 1943 and took her to the waters off North Africa, was.On 11 January 1944 the U-boat fired a T-5 homing torpedo at a corvette, missed, and was then hunted for the next 13 hours by escort ships equipped with depth charges and hedgehogs.About 4 February the U-boat approached Convoy ON 222, but was attacked by an unknown Allied aircraft.