Wings Over the Rockies Air & Space Museum will open its second location this summer on the south side of Arapahoe County’s Centennial Airport, bolstering the nation’s second busiest general-aviation airport. Centennial Airport hosts more than 340,000 takeoffs and landings each year, according to the Arapahoe County Airport Authority. As a popular spot for family day-trips and themed fundraisers, the original Lowry location of Wings Over the Rockies has long plotted to expand to another location at Centennial Airport — which would allow people to “look out the window and see planes taking off,” said Mark Van Tine, former president of Jeppesen Sanderson Inc., in a 2005 Denver Post interview. Now, with help from honorary co-chairmen Gov.