三さん等とう陸りく曹そうじ字FuriganaAudioMeanings1nounsergeant (JGSDF); sergeant second classmilitary›A specific rank in the Japan Ground Self-Defense Force, equivalent to a sergeant or sergeant second class in some English-speaking armies.彼かれは三さん等とう陸りく曹そうに昇しょう進しんした。Break this sentence down in the analyzerHe was promoted to sergeant (JGSDF).三さん等とう陸りく曹そうは下か士し官かんの一ひとつです。Break this sentence down in the analyzerSergeant (JGSDF) is one of the non-commissioned officer ranks.