<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.tiangong-1 ilikusudiwa kuondolewa kazini mwaka 2013 lakini china imekuwa ikiahirisha tukio hilo na kuendelea kuipigisha mzigo.  <response>: tiangong-1 was originally planned to be decommissioned in 2013 but china has repeatedly extended the length of its mission. 