According to one of Jon King's key witnesses - a former US Army Special Operations expert who has run covert military operations with the CIA, and who once held the highest security clearance in NATO, Cosmic Top Secret - the British and US governments are fully aware that at least one extraterrestrial civilization is currently visiting our planet. There are many other witness testimonies, both civilian and military, that point to a similar conclusion. Here Jon King collates and extrapolates the inside information available to him to present a startling and dramatic case for this exposive assertion.