Hitler's motive was lebensraum for the Aryan race. In order to achieve this required the conquest of territory.
Putin's motive is a paranoia a being attacked from the West, which has became ingrained in the Russian psyche as a tesult of both World Wars. In order to prevent this Putin (like Stalin) wants a buffer from the West. Putin is more Stalin than Hitler.
As far as the mitary industrial complex is concerned, Washington and Eisenhower were correct.