Korabl-Sputnik 2

Seemingly unfazed by the dramatic failure of the first attempt, the Soviets put 2 more dogs named Belka and Strelka, plus 40 mice, 2 rats, and several plants into the Vostok spacecraft. This launch went perfectly, and the capsule was recovered safely. One of the dogs suffered from seizures during the fourth orbit, but both were recovered safely and in good health.