Fifty years ago, two American astronauts became the first humans to walk on the Moon. But before humans had left Earth, animal astronauts had blazed a trail into space. VOA’s Kerry Hensley has more.
Fifty years ago, two American astronauts became the first humans to walk on the Moon. But before humans had left Earth, animal astronauts had blazed a trail into space. VOA’s Kerry Hensley has more.
