You mean like....
Listening to commanders in the field instead of overruling them from DC would be a start...
Truman did with McArthur?
Like LBJ did in Vietnam?
One of our strengths in the US is that we have civilian control of the military, unlike so many other countries. It is up to the civilian leadership to provide the goals and objectives and up to the military to obey their lawful orders.
Truman was correct in firing McArthur because McArthur exceeded his authority.
LBJ micromanaged the military in Vietnam, to the point where he reportedly said, "They can't bomb an outhouse without my say so."