One of the biggest selling points for Exploration of Flight, the ambitious new campus from Wings Over the Rockies Air & Space Museum, is its immediacy. Visitors can stand at the edge of a tarmac in Englewood and watch aircraft take off from and land at the nation’s second-busiest private-aviation airport. Inside, pilots-in-training can hop into state-of-the-art flight simulators, while schoolchildren can don VR goggles and add death-defying loops to virtual plane rides over the Front Range. On the third Saturday of every month, kids can even take to the sky in the real thing — for free. “We want this facility at Centennial Airport to be a place where inspiration can be generated for children and the next round of aerospace (workers),” said retired Maj.