Efforts to modernize the Army's fleet of helicopters have come at a price, increasing the weight and limiting the maneuverability of the airframes, according to the head of the Army Aviation Center of Excellence. Maj. Gen. William Gayler said at the Army Aviation Association of America conference on April 29 that the Army is capable of reaching just "84 percent of the globe" given the current power generation of its aircraft. The service's ongoing modernization efforts, particularly the Improved Turbine...