U-BOATS SET TO TARGET U.S. EAST COAST SHIPPING
Berlin, Germany • December 13, 1941 On this date in 1941, just 2 days after Germany and the U.S. had declared war on each other, U‑boat Adm. Karl Doenitz initiated the Kriegsmarine’s wolf pack campaign against ill-prepared merchant shipping along the Canadian and U.S. eastern and Gulf seaboards. (Wolf packs consisted of a group of…

