sentences:  The county has made cursory inquiries into resurfacing the airport to a heavier weight rating, to allow NC Air National Guard C-130 aircraft from Charlotte Douglass International Airport Air National Guard Base to conduct intermittent landing and "touch and go" combat exercises.The US Marine Corps on the NC coast at New River and Cherry Point Air Stations has also expressed an interest in conducting mountain landing training for Osprey vertical takeoff aircraft if the airport runway is thickened, as has the NC Army National Guard for its helicopters located in Salisbury.The Avery County runway is of sufficient length to accommodate large military aircraft, but not of sufficient surface thickness.