 they had the landing craft they had eight demolition assault teams and four support demolition teams and a command when they went in on the beaches i can tell you it's very very difficult to even track who was in which craft you would think that that information's out there but it's not i go through documents all the time i just recently got a few more pages of a specific group of documents i was looking for that's helpful but the army wasn't really good at writing stuff down and the the navy was better