Sioux City Air National Guard Base is an Iowa Air National Guard base, located at Sioux Gateway Airport It is located 7.2 miles (11.6 km) south-southeast of Sioux City, Iowa. On 25 May 2002, the airport was named "Colonel Bud Day Field" in honor of United States Air Force Colonel George Everette "Bud" Day, a Sioux City, Iowa native and is the only person ever awarded both the Medal of Honor and the Air Force Cross.