Japan Air Self-Defense Force

The Japan Air Self-Defense Force (Japanese: 航空自衛隊, Hepburn: Kōkū Jieitai), JASDF (空自, Kūji), also referred to as the Japanese Air Force, is the air and space branch of the Japan Self-Defense Forces, responsible for the defense of Japanese airspace, other air and space operations, cyberwarfare and electronic warfare. The JASDF carries out combat air patrols around Japan, while also maintaining a network of ground and air early-warning radar systems.

Source: Wikipedia — Japan Air Self-Defense Force (CC BY-SA 4.0)