AirportImprovement.com, June 5th, 2023 - At Dayton International Airport (DAY) in Ohio, Sierra Nevada Corporation recently opened a large facility that will be home base for about 140 employees. That 90,000-square-foot hangar and 7,940-square-foot office complex is just the beginning. Local leaders and economic development officials say that work on a second facility is already underway, and there’s space for about five similar facilities if needed.