first day, green, inexperienced troops was not just personal courage but the best organized operation imaginable. thousands of ships and planes and boats. just astonishing the astonishingly what they accomplished. >> and general jacobs tell me how they teach d-day at war college. give me the lesson planning. wa what are the different perspectives and how d-day is used a as teaching tool to rising officers? >> well, there are many different perspectives, and depending upon what school it is, they will approach it from the different standpoint ss. general mccaffery had a very good point about the planning. at war colleges, you are taught about how to plan, and how to make something happen like that, and how it fits into the entire