High Quality Content by WIKIPEDIA articles! Walnut Ridge Regional Airport (IATA: ARG, ICAO: KARG, FAA LID: ARG) is a general aviation airport located 4 miles (6.4 km) NE of Walnut Ridge, Arkansas.It is owned and operated by the city of Walnut Ridge.The airfield was built in 1942/43 and opened in October 1943 as Walnut Ridge Army Airfield and was used by the United States Army Air Forces as a training base during World War II. Walnut Ridge was commanded by the 324th Army Air Force Base Unit, being assiged to the AAF Southeast Training Center.