Robert Lochner (engineer) major element, the Mulberry Harbour. One of the major challenges facing the D-Day landings was to secure a European port for the delivery of essential supplies, but instead of capturing an existing port, the Allies decided on an audacious plan to build temporary harbours off the coast of Normandy. The big challenge in the rough seas of the English Channel was to create a breakwater to protect the concrete landings from the vicious waves and Robert Lochner was the man chosen by Churchill to lead a group of scientists known as The Wheezers And Dodgers to solve this challenge. The
D-Day (game) part due to its simplicity. Along with "Stalingrad" and "Afrika Korps", it was considered one of the "classic" games released in the 1960s by Avalon Hill, all of which shared a similar move-attack-advance game system. D-Day (game) D-Day is a board wargame published by Avalon Hill first in 1961 and later re-released in 1965, 1971, 1977 and 1991. An operational/strategic simulation of the Western Front between June and September, 1944, the game simulates the invasion by the Allies of France while it was occupied by the Axis Powers. The title references the Normandy Landings in France on 6 June 1944,