He served as physical education instructor at the police academy , and assisted Miyagi ( then an instructor at the academy ) , teaching karate and judo there .
Miyazato joined the Ryukyu Police Department on Miyagi 's recommendation in 1946 .
Miyazato served as physical education instructor at the police academy , and assisted Miyagi ( then an instructor at the academy ) , teaching karate and judo there .
Miyazato joined the Ryukyu Police Department on Miyagi 's recommendation in 1946 .