Marine Aircraft Plans in Peril as Tiltrotor Costs Soar

The cost for the Marines to fix and fly their full fleet of V-22 tiltrotors has grown by nearly two-thirds over just four years, according to a Pentagon estimate. In 2008, the Defense Department calculated the “lifetime” cost of operating 360 V-22 Osprey transports at $75 billion over roughly 30 years. Today the figure is more than $121 billion — a 61-percent increase.

See the full article at Wired