One of America’s largest aviation museums can be found in an airport just outside of Liberal, Kansas. The Mid-America Air Museum has a collection of more than 100 planes, a tribute to both the site’s history and the life of its greatest benefactor. The museum is located at the edge of town, next to Liberal Airport. The airport was first used as an Army airfield during World War II, specifically as a training base for B-24 Liberator pilots. After the war, the base was converted to a regional airport. In…