Near the south end of the canal, USS Threadfin slowed to disembark the pilot, and to off-load the illuminating cube to a small boat alongside. However, Greek freighter "Nicolas Michalis III," following close astern, failed to slow sufficiently to prevent a collision...and rammed the submarine in the stern area. The Greek merchantman claimed to have "lost power." Damage to USS Threadfin included a bent propeller shaft, a twisted propeller, and a dented pressure hull. For a week, USS Threadfin sat outside the canal entrance and effected voyage repairs. Crew members removed the damaged propeller from the propeller shaft and hoisted it onto the after deck area...where it was lashed down in place. Then the submarine was towed to the north end of the Suez Canal. From that location, USS Threadfin transited under her own power to Bailey's Shipyard in Malta to have all damaged equipments repaired.

That's a lot of info! Very informative, thanks