Substitute Chapter Begins: German Miscalculations 1. While our plans developed and the build up of supplies and men in readiness for the operation continued with regularity, we had been studying the possible action which the enemy might take in the expectation of an assault against him mounted from the United Kingdom. In any operation as large as OVERLOLD it was palpably impossible to keep from the enemy the fact that we intended, during 1944, to launch an attack against Europe. Where, when and in what strength the attack would be launched, however, was another matter, and I was not without hope that he would not necessarily appreciate that our target was the Normandy beaches.