JASDF Matsushima Air Base (松島基地, Matsushima Kichi) (ICAO: RJST) is a military aerodrome of the Japan Air Self-Defense Force located in Higashimatsushima, 6.6 NM (12.2 km; 7.6 mi) west of Ishinomaki in the Miyagi Prefecture, Japan. Headquarters for the 4th Air Wing (JASDF), the base is primarily used for training, and is the home of the JASDF 21st Fighter Training Squadron, currently equipped with Mitsubishi F-2B fighters. It is also the home base for the "Blue Impulse" JASDF acrobatic display team.