noun
Blood and Iron Student Corps
Historical organization name: a student corps formed in Okinawa in 1945 during the Battle of Okinawa.
鉄血勤皇隊は沖縄戦で多くの学生が動員された組織である。
The Blood and Iron Student Corps was an organization in which many students were mobilized during the Battle of Okinawa.
The name is composed of 鉄血 (iron and blood) and 勤皇 (loyal service to the emperor), reflecting the militaristic ideology of the time. The exact historical derivation is tied to wartime Okinawa.