Misawa Air Base (三沢飛行場, Misawa Hikōjō) (IATA: MSJ, ICAO: RJSM) is a U.S. military facility located 3 NM (5.6 km; 3.5 mi) northeast of the railway station in Misawa, 3 mi (4.8 km) west of the Pacific Ocean, 10 mi (16 km) northeast of Towada, 18 mi (29 km) northwest of Hachinohe, and 425 mi (684 km) north of Tokyo, in Aomori Prefecture, in the Tōhoku region in the northern part of the island of Honshū of Japan.