International Cooperation: Is there information sharing or collaborative investigation among world governments (e.g., China, Russia, France) regarding the UAP issue?

Hey, that's an excellent question, and many people are curious about it. Let me break down the current situation for you.

Simply put, regarding the issue of UAPs (Unidentified Aerial Phenomena, what we previously commonly referred to as UFOs), there is no public, formal, or systematic official cooperative investigation mechanism among the world's governments, especially among major powers like China, the United States, and Russia.

You can imagine this situation in a few scenarios:

1. Why is official cooperation difficult? — "These are my cards"

• National security comes first: The vast majority of UAP sighting reports and data come from each country's military, such as fighter pilots, radar operators, military satellites, and so on. How is this data obtained? It's captured using a nation's most advanced and highly classified detection equipment.
• Data equals capability: Sharing UAP data, to some extent, is equivalent to telling another country: "Look, my radar can detect targets this small/this fast/this anomalous, and my aircraft can fly to this altitude to track them." This is like showing your hand to an opponent at a poker table. Under current international relations, this is something no major power is willing to do. Therefore, the biggest obstacle to information sharing is national security and military secrets.

2. Are there exceptions or limited cooperation? — "We are allies"

• Possible among allies: Within intelligence-sharing circles like the "Five Eyes alliance" (United States, United Kingdom, Canada, Australia, New Zealand), sensitive information, which might include UAP data, could be shared internally. However, this falls under secret intelligence exchange, is not publicly disclosed, and certainly not shared with countries outside the circle (like China or Russia).
• France's unique model: France is quite progressive in this regard. Under their space agency, there's an organization called GEIPAN, which has been openly and scientifically studying unidentified flying phenomena since the 1970s, and they've published many investigation files online. They are a model for open government-level research and engage in academic exchanges with researchers from various countries. However, this exchange is more scientific in nature and does not equate to the French government conducting official joint investigations with the Chinese or Russian governments.

3. What are the current attitudes of various countries?

• United States: In recent years, there's been a 180-degree shift in attitude, moving from being highly secretive to relatively open. The Department of Defense established a dedicated office (AARO), and Congress held hearings, acknowledging that many phenomena encountered by the military cannot be explained. However, their focus is on "this could pose a threat to our national security," and investigations are primarily conducted internally.
• China: Officially, this topic is rarely discussed publicly, but there has always been attention from the public and academic circles. China also has a large number of UFO sighting reports, and the air force has had records of unidentified aerial situations. This can be understood as: "We are also paying attention, but we are very cautious and won't openly or ostentatiously discuss it."
• Russia: Similar to the United States, Russia accumulated a large number of related military archives during the Cold War, known as "Blue Folders." However, in recent years, the official stance on this topic has also tended to remain silent, and it's mostly mentioned as a historical archive.

In summary

So, the current situation is:

1. No global official cooperation: Due to military and national security reasons, there is no official UAP information sharing or cooperative investigation among major powers like China, the US, and Russia.
2. Secret sharing possibly among allies: Close allied nations might have intelligence exchanges.
3. Non-official exchanges in the scientific community: Scientists and civilian researchers worldwide hold conferences and write papers, engaging in cross-border academic discussions, but this does not represent government action.
4. The trend is "internal disclosure": Led by the United States, the current trend is more about governments making limited disclosures internally (e.g., to Congress, to the public) rather than engaging in external international cooperation.

I hope this explanation clarifies things for you. It's indeed a very complex issue because it's precisely at the intersection of scientific exploration and national security, two of the most sensitive areas.