Kalmar "Gagarin" yawanci tana nufin Yuri Gagarin, wani ɗan sararin samaniyar Soviet wanda ya zama ɗan adam na farko da ya fara tafiya zuwa sararin samaniya lokacin da ya kammala zagaye ɗaya na duniya a cikin kumbon Vostok 1 a ranar 12 ga Afrilu, 1961. Sunan "Gagarin". " kanta sunan suna na asalin Rasha.
