I just read a book [1] which argues that while the Americans didn't worry too much about getting the most they could out of their manpower on D-Day - because th

I just read a book [1] which argues that while the Americans didn't worry too much about getting the most they could out of their manpower on D-Day - because they had several million more troops waiting to go - the British were conscious of their limited manpower and so optimized their landing in a number of ways, such as longer aerial bombing and specialized tanks for breaking through obstacles on the beach. [1] http://www.amazon.com/Engineers-Victory-Problem-Solvers-Turned/dp/0812979397 http://www.amazon.com/Engineers-Victory-Problem-Solvers-Turn...