Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Rundunar Sojan Ruwa ta Rasha ta aika da bincike. Tsakanin 1803 da 1855, jiragensu sun yi tafiye-tafiye sama da 40 da tafiye-tafiye masu nisa, mafi yawansu sun kasance don tallafawa yankunansu na Arewacin Amirka a Rasha Amurka (Alaska) da Fort Ross a arewacin California, da kuma tashar jiragen ruwa na Pacific a gabashin gabashin Siberia. Wadannan tafiye-tafiye sun samar da mahimman kayan bincike na kimiyya da abubuwan ganowa a cikin Pacific, Antarctic da Arctic wasan kwaikwayo na ayyukan.  Tambaya: Sojojin ruwan Rasha sun yi tafiye-tafiye nawa a tsakanin 1803 zuwa 1855?
40 da kuma