An interesting comparison would be the MTBO for the CH-53E....CH-47D engines to the Osprey's dismal 420 hours.
Here we sit with the US Economy and the US Dollar in crisis....as much in part due to the unbelievable national debt and yearly deficit spending, yet our politicians and military will squander untold billions of dollars on projects like the VH-71, V-22, Jacuzzi driven AMTRAC, wars to create the excuse for other new and wasteful projects.
Eisenhower was right when he warned us of the dangers of a runaway military-industrial complex.
This keeps up.....we will be right beside the Russians....trying to figure out how to buy potatoes!