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.
She departed on the 10th and joined a team focused on intercepting enemy ships, centered around an escort vessel, on the 15th. The group returned to Casablanca on the 18th, replenished, and set out again on the 23rd for another sweep against submarines in the region. On the 29th, Block Island was sunk, and she struck the carrier's stern.