Historical:

The Kawasaki T-4 is a Japanese subsonic intermediate jet trainer aircraft used by the Japan Air Self-Defense Force. In addition to training duties it is used by the JASDF's Blue Impulse aerobatic team. The first XT-4 prototype flew on July 29, 1985. The first production aircraft was delivered in 1988.

The Blue Impulse is the 11th Squadron, 4th Air Wing of the Japan Air Self-Defense Force and the national aerobatic demonstration team. They formed in 1960 and originally named Tenryu but changed to Blue Impulse. Their first aircraft were 6 F-86 Sabres and in 1982 after 545 demonstrations they moved to the Matsushima Air Base and began using the Mitsubishi T-2. The T-2 was used for 175 demonstrations until 1996 when they switched to the Kawasaki T-4. In 2016 to celebrate 20 years flying theT-4; the Blue Impulse aircraft were given a special paint scheme.

Info: Kawasaki T-4 Diecast Model JASDF 11th Hikotai Blue Impulse, #96-5621, Matsushima AB, Japan, T-4 20th Anniversary 2016