NASHVILLE, TN -- It has been just two weeks since the Army announced one of the more major service restructurings in recent years, and one that will see a significant scaling back of manned aviation platforms . But on the floor of the Army Aviation Association of America conference this week, executives from prime contractors Sikorsky and Boeing, the makers of the Black Hawk and Apache helicopters, confidently said their aircraft will remain technologically relevant to the current battlefield. As...