red-armored troops
Historical term for military units that wore red armor, prominent during the Sengoku and Edo periods. Often associated with elite or distinctive forces.
During the Sengoku period, red-armored troops were especially conspicuous.
Ii Naomasa's red-armored unit is famous.
Compound of 赤 (aka, 'red') and 備え (zonae, 'equipment' or 'provision'), referring to the distinctive red armor worn by certain military units.