Complex sentence: Waynesville Regional Airport at Forney Field serves the community with air service; even though it's on Fort Leonard Wood, it is jointly run by the cities of Waynesville and St. Robert and is available for civilian use by private pilots and scheduled commercial passenger service.
Split into simpler sentences: Waynesville Regional Airport at Forney Field serves the community with air service. Even though it's on Fort Leonard Wood, it is jointly run by the cities of Waynesville and St. Robert and is available for civilian use by private pilots and scheduled commercial passenger service.