Marine Corps officials are tackling a handful of key V-22 Osprey maintenance problems as they prepare to deploy the tiltrotor to Iraq this fall, according to an internal service bulletin obtained by InsideDefense.com . The problems affect various parts of the V-22, including the ice-protection system, the flight-control computer and the air-cycle machine that is important for flying in hot climates. The June bulletin, which sums up discussions held in April, says it is "imperative" for officials to fully understand...