, ▁who ▁wore ▁a ▁function ing ▁SK - 1 ▁spaces uit . ▁The ▁dog ▁was ▁contained ▁in ▁a ▁small ▁press ur ized ▁sphere , ▁which ▁also ▁contained ▁ 8 0 ▁m ice , ▁several ▁gu inea ▁p igs , ▁and ▁other ▁bi ological ▁spec im ens . ▁Add itional ▁m ice , ▁gu inea ▁p igs , ▁and ▁other ▁spec im ens ▁were ▁placed ▁within ▁the ▁man ne quin . ▁After ▁one ▁orbit , ▁the ▁descent ▁module ▁successfully ▁re - enter ed ▁the ▁atmosphere , ▁the ▁man ne quin ▁was ▁safely ▁e ject ed , ▁and ▁the ▁dog ▁and ▁other ▁spec im ens ▁land ed ▁separately ▁in ▁the ▁descent ▁module ▁by ▁par ach ute . ▁The ▁space fl ight ▁last ed ▁ 1 0 6 ▁minutes , ▁and ▁the ▁dog ▁was ▁recovered ▁alive ▁after ▁landing . ▁The ▁mission ▁was ▁a ▁complete ▁success . ▁ ▁On ▁March ▁ 2 3 , ▁before ▁the ▁next ▁mission , ▁an ▁accident ▁occurred ▁during ▁training ▁which ▁led ▁to ▁the ▁death ▁of ▁cos mon aut ▁candidate ▁Val entin ▁Bond aren ko . ▁He ▁was ▁burn ed ▁in ▁a ▁fire ▁in ▁an ▁o xygen - rich ▁isol ation ▁chamber , ▁and ▁died ▁in ▁a ▁hospital ▁eight ▁hours ▁after ▁the ▁incident . ▁Bond aren ko ' s ▁death ▁was ▁the ▁first ▁known ▁cos mon aut ▁or ▁astr onaut ▁fatal ity . ▁It ▁is ▁not ▁clear ▁whether ▁other ▁cos mon aut s ▁were ▁told ▁of ▁his ▁death ▁immediately ; ▁the ▁media ▁did ▁not ▁learn ▁of ▁Bond aren ko ' s ▁death ▁–