In America, Pushinka gave birth to puppies, grandchildren of the cosmonaut dog Strelka. They were named Blackie, White Tips, Butterfly, and Stricker. But John Kennedy came up with a common name for all the cosmonaut dog's grandchildren: pupniks, combining the words pupnik (puppy) and sputnik (satellite). There were over 5,000 applicants for the title of owner.
Pushinka's puppies, the American grandchildren of the space dog Strelka.