As of 2020[update], there have been 15 astronaut and four cosmonaut fatalities during spaceflight.[1][2] Astronauts have also died while training for space missions, such as the Apollo 1 launch pad fire which killed an entire crew of three. There have also been some non-astronaut fatalities during spaceflight-related activities. As of 2021, there have been 31 fatalities in incidents regarding spaceflight.