Helicopter technology is coming to a point of near perfection. But the current generation of Helicopters do not have the speed (300 mph vs 200 mph) and cargo capability of the V-22 Osprey. SAR is Search and Rescue. Speed and cargo capacity can mean the difference between life and death. The V-22 could contain an emergency medical facility plus arrive at the scene 50% faster than a heliocopter. Let us assume there is an emergency 120 miles from the position of a helicopter and V-22 -- taking off at the same time. The V-22 will get there in 24 minutes....