 There were several reasons for this.The naval commander, Admiral Ernest King, was averse to taking British recommendations to introduce convoys, U.S. Coast Guard and Navy patrols were predictable and could be avoided by U-boats, poor inter-service co-operation, and the U.S. Navy did not possess enough suitable escort vessels (British and Canadian warships were transferred to the U.S. east coast).In 2017, Sadie O. Horton, who spent World War II working aboard a coastwise U.S.