This navy lost the Battle of the River Plate when the Achilles defeated the pocket battle ship Admiral Graf Spee in the Rio de la Plata.
This navy experienced great success during the second "happy time." It earlier deployed the gunboat Panther to the Moroccan port of Agadir. This navy lost the Battle of the River Plate when the Achilles defeated the pocket battle ship Admiral Graf Spee in the Rio de la Plata. This navy introduced the "Wolf Pack" strategy to combat British convoys, and it was this navy's destruction of the Lusitania that helped spark American involvement in World War I. For 10 points, name this navy that was commanded by Admiral Doenitz and employed U-boats.
This navy experienced great success during the second "happy time.
{German} navy [or {Deutschland}]