【Background】 Purchased several years ago when I went to see the Blue Impulse at the base. 【Condition】 Unused, new (Hasn't been opened) It's a keychain. The T-4 is a subsonic jet aircraft developed in Japan. It is used by the Japan Air Self-Defense Force as an intermediate trainer for pilots who have completed primary training with propeller aircraft. It is the second domestically produced jet trainer in Japan, following the T-1B, including the engine. It is called "T-yon" or "T-four," and although not an official nickname, it is also called "Dolphin" because of its small, rounded shape compared to other aircraft. From Wikipedia Character...Other