Shown here are Higgins Type mtbs belonging to Motor Torpedo Squadron 13 moored alongside the seaplane tender (ex-destroyer) USS Gillis (AVD12, ex-DD260) in Casco Cove, Massacre Bay, Attu Island, Aleutians, 21st June, 1943. Note the PBY-5 Catalina flying-boat astern of Gillis. Taken from the Hamlyn History of Ships.
