The possibility of this was proved by the nuclear icebreaker "Sibir" when it broke through the ice barrier of the Kara Sea in February 1978 to reach the Jamal peninsula in Siberia.
(14718) Okunokwenzeka kwalento kungqinwe ngumbindi wabaphuli bomkenkce onguSibir xa kanye kwisithinteli somkhenkce kwilwandle laseKara kwinyanga ka Februari ngo 1978 yafika kumhlaba waseSiberia kwindawo ekuthiwa yiJamal Peninsula.