Japan Sea Cadet Federation
日本海洋少年団
The Japan Sea Cadet Federation was established in 1925 as a branch of the Boy Scouts, it became independent in 1938.
It accepts boys and girls from kindergarten to high school and teaches them the various skills needed at sea: rope
skills, flag signaling, sailing, etc.

Japan Sea Cadet Flag Signalling Proficiency Badge.
Lapel pin.
Cap insignia
Lapel pin.