<page_title> Sample-return mission </page_title> <section_title> Robotic missions </section_title> <table> <cell> 23 September 1969 <col_header> Launch date </col_header> </cell> <cell> Kosmos 300 <col_header> Name </col_header> </cell> <cell> Moon <col_header> Sample origin </col_header> </cell> <cell> Failure <col_header> Mission result </col_header> </cell> <cell> 22 October 1969 <col_header> Launch date </col_header> </cell> <cell> Kosmos 305 <col_header> Name </col_header> </cell> <cell> Moon <col_header> Sample origin </col_header> </cell> <cell> Failure <col_header> Mission result </col_header> </cell> <cell> 6 February 1970 <col_header> Launch date </col_header> </cell> <cell> Luna E-8-5 No. 405 <col_header> Name </col_header> </cell> <cell> Moon <col_header> Sample origin </col_header> </cell> <cell> Failure <col_header> Mission result </col_header> </cell> <cell> 2 September 1971 <col_header> Launch date </col_header> </cell> <cell> Luna 18 <col_header> Name </col_header> </cell> <cell> Moon <col_header> Sample origin </col_header> </cell> <cell> Failure <col_header> Mission result </col_header> </cell> <cell> 2 November 1974 <col_header> Launch date </col_header> </cell> <cell> Luna 23 <col_header> Name </col_header> </cell> <cell> Moon <col_header> Sample origin </col_header> </cell> <cell> Failure <col_header> Mission result </col_header> </cell> <cell> 16 October 1975 <col_header> Launch date </col_header> </cell> <cell> Luna E-8-5M No. 412 <col_header> Name </col_header> </cell> <cell> Moon <col_header> Sample origin </col_header> </cell> <cell> Failure <col_header> Mission result </col_header> </cell> </table>
The Sample-return missions failed were Kosmos 300 and Kosmos 305 in 1969, Luna E-8-5 No. 405 in 1970, Luna E-8-5M No. 412 in 1975 at unsuccessful launches and Luna 18 in 1971 and Luna 23 in 1974 at unsuccessful landings on the Moon.