In March 1942, Hitler issued Directive 40, requiring that an invasion force be defeated before it could land or on the coast; in November 1943, Hitler added Directive 51, for the reinforcement of the defences of Western Europe.
Hitler issued Directive 40. This was in March 1942. An invasion force be defeated before it could land or on the coast. Hitler was requiring this. This was in March 1942. Hitler added Directive 51. This was for the reinforcement of the defences of Western Europe. This was in November 1943.