Space casualties

The Space Age marked its first human casualties with the deaths of three American astronauts during an Apollo test and a Soviet cosmonaut during the Soyuz flight. These incidents highlighted the risks involved in the space exploration missions.
 (NASA and Roscosmos) United States, Russia 1967 Space casualties

The Space Age marked its first human casualties with the deaths of three American astronauts during an Apollo test and a Soviet cosmonaut during the Soyuz flight. These incidents highlighted the risks involved in the space exploration missions.