Robert-Richard Zapp

Robert-Richard Zapp (3 April 1904 – 17 July 1964) was a German naval officer in World War II. As commander of the Type IXC U-boat , he sank sixteen ships on five patrols, for a total of 106,200 tons of Allied shipping. He was a recipient of the Knight's Cross of the Iron Cross of Nazi Germany

Career Robert-Richard Zapp joined the Reichsmarine in May 1923. Before joining the U-boat service in 1939, he served aboard a minesweeper and later on took command of 251 Marineflak (Naval anti-aircraft artillery). After initial training, he served on board for a short while under Oberleutnant zur See Engelbert Endrass, with whom he participated in the battle against Convoy HX 79 in October 1940.

Zapp was appointed commander of in January 1941. U-66 was one of the boats that participated in the first wave of attacks in "Operation Drumbeat". On the first patrol of this operation, he sank five vessels, totalling 33,456 tons. On his second patrol off the eastern seaboard of the USA he sank six vessels totaling 43,946 tons. They included the Canadian passenger liner on 19 January, whose final death toll was 251. Zapp was awarded the Knight's Cross of the Iron Cross on 23 April 1942. Iron Cross (1939) 2nd Class (6 August 1941) Knight's Cross of the Iron Cross on 23 April 1942 as Korvettenkapitän and commander of U-66