 A Covering Force (Task Force 78), consisting of 1 heavy cruiser, 2 light cruisers, and 9 destroyers under the command of Admiral Russell Berkey, was to be available for support fire if needed.In preparation for Operation Typhoon (code name for the US Army landings on the Vogelkop Peninsula), on 17 June 1944, S-47, under Lieutenant Lloyd V. Young, sailed from the Admiralty Islands for Waigeo, with the mission to insert elements of the Alamo Scouts, Allied Intelligence Bureau agents, terrain experts of the Fifth Air Force, and hydrographic survey men of the VII Amphibious Force.The reconnaissance force landed near Sausapor-Mar on 23 June where the party spent the week surveying the region.