いっとうくうし 一等空士 LinksSentence search for 一等空士Sentence search for いっとうくうしSentence search for 1等空士Kanji details for 一, 等, 空 and 士Edit in JMdict Noun1. airman second class (JASDF)MilitaryOther forms1等空士 【いっとうくうし】 Discussions Log in to talk about this word.