"Starling"s first patrol in May 1943 was uneventful; There were several major convoy battles during the month, but none involving 2 SG. "Starling"s first success came on 1 June 1943, when the group's first U-boat was detected: fortuitously on a fine day and identified by a Lt. Earl Howe Pitt. This event was dubbed another "Glorious First of June" by Walker. Over a 15-hour period the group found, tracked and destroyed , in the longest hunt of the Atlantic campaign up to that point,