9 Apr, 1944
The German submarine U-515 was sunk at 1510hrs on 9 April 1944 in the mid-Atlantic north of Madeira in position 34º35'N, 19º18'W, by rockets from 4 Avenger and Wildcat aircraft (VC-58) of the US escort carrier USS Guadalcanal and depth charges from the US destroyer escorts USS Pope, USS Pillsbury, USS Chatelain and USS Flaherty. (see map)

4 Jun, 1944
The German submarine U-505 was captured at sea west of Africa by ships and Wildcat aircraft of the US Navy task force 22.3, escort carrier USS Guadalcanal and the destroyer escorts USS Pillsbury, USS Chatelain, USS Flaherty, USS Jenks and USS Pope.

24 Apr, 1945
The German submarine U-546 was sunk north-west of the Azores, in position 43º53'N, 40º07'W, by depth charges from the US destroyer escorts USS Flaherty, USS Neunzer, USS Chatelain, USS Varian, USS Hubbard, USS Janssen, USS Pillsbury and USS Keith. (see map)