JASDF Matsushima Air Base is a military aerodrome of the Japan Air Self-Defense Force located in Higashimatsushima‚ 6․6 NM 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․ Blue Impulse is the aerobatic demonstration team of the Japan Air Self-Defense Force․ The team was founded in 1960 as a team of six F-86 Sabres․ They changed mounts to the Mitsubishi T-2 in 1980 and then to the Kawasaki T-4 in 1995․ They are based at Matsushima Air Base‚ which was heavily damaged by the 2011 Tōhoku earthquake and tsunami․