Japan Air Self-Defense Force (JASDF)
Gives mission and activities of protecting Japanese skies, education and training, cooperation with U.S forces, guided missile specifications, and statistics.
Japan Defense Agency (JDA)
Gives organizational structure, news, defence policy, events, and publications.
Japan Ground Self Defense Force (JGSDF)
Lists functions of each branch of service, weapons, education and training, events, and future reforms.
Japan Maritime Self Defense Force (JMSDF)
Active in defence of Japanese seas, surveillance, rescue, demining, transportation, and education.
Technical Research and Development Institute (TRDI
Organization of the Japan Defense Agency which conducts research, development, tests and evaluations of military systems and equipment.