Aliens and World Leaders

Prominent world leaders including the British Royal Family, Japan's Defense Minister, the Chinese government, and Russia's former president have allegedly been investigating Unidentified Aerial Phenomena (UAPs) for years. Is it possible they are not disclosing everything they know? Insiders claim there has been government contact with extraterrestrial entities. If so, just how far back does this relationship go? And just what might be behind the recent, and seemingly coordinated, release of UFO files worldwide?