Detached on the 10th, she joined a hunter-killer group centered on the escort carrier  on the 15th. On the 18th, the group returned to Casablanca, replenished and sortied again on the 23rd for another anti-submarine sweep west of the Canary Islands and south of the Azores. On the 29th, Block Island was sunk and   was struck in the stern.
Disembarked on the 10th, she joined a group focused on intercepting enemy vessels centered around an escort carrier on the 15th. On the 18th, the group returned to Casablanca, replenished, and set out again on the 23rd for another sweep against submarines west of the Canary Islands and south of the Azores. On the 29th, Block Island was sunk, and she struck the carrier's stern.