Why I asked the AI to list out Space Exploration Accidents? Just to show the road of exploration is long and hard, not as plain as envisaged. It also shown sometimes we cannot be so optimistic, surely there will be some hindrances ahead no matter in doing whatsoever things. Therefore, in achieving a target, we must make room for some delay and blockages, no matter in investment or other fields.
Above all, some people may ask, in the 1960s Soviet Union is known as the Iron Curtain, China is only Bamboo Curtain. If they have accidents, they can just conceal them and let no one knows. Impossible! Superficially, some countries are really in strict control of news, they only release good news and block all bad news. Nowadays, we have the Press Freedom Index and everyone can refer to it and thus know which country has the highest freedom which country has the lowest. Some countries really block all news and only the official news from government are considered true, while all other foreign sources are considering fake news. Those are brain washing countries but just tell their citizen those freedom countries are brain washed.
But in Space Exploration, the spacecrafts are high in sky, at the time everyone can use radio wave to track and trace. Even they have no WIFI and internet, any amateur radio lover can track and trace the space ship easily, no need to wait for professional entities. That is if Soviet Union had an accident, US will release the news first and those research entities will confirm, thus Soviet will also give details of accident and ask the whole nation to mourn for it. Actually, both are also monitoring the space action of the counter side, including action in space stations, spacewalk or rendezvous, they always reconfirm the action of each other.
Space exploration has no secret at all. Such as the Moon Landing Project, after the Gemini Project is completed, they procced onto the Apollo Project, and the first project Appollo 1 had a fatal accident that 3 astronauts died on ground before the shooting. The Apollo Project thus met a great hindrance had to be delayed, but luckily still can land on moon before the end of the 1960 decade.
However, Brazil had an accident and their space project is suspended. Therefore, everything we must think for the best but prepare for the worst. That is why the Starship of Elon Musk has to prepare to face so many explosions so the even in the worst case they can tackle the adversities.