Question: Which airport was used for both public and military use, Sioux Gateway Airport or Blue Grass Airport?
Sentence (from "Sioux Gateway Airport"): On May 25, 2002 the airport was named in honor of United States Air Force Colonel George Everette "Bud" Day, a Sioux City, Iowa native who is the only person ever awarded both the Medal of Honor and the Air Force Cross.
Relevant evidence: No