Rendlesham Forest
http://www.nickpope.net/rendlesham-forest.htm
The Rendlesham Forest incident is the most intriguing and best-documented UFO case in the world and is second only to Roswell in terms of name recognition. Nick Pope conducted a cold case review of the incident for the British Government. He presented the following summary of the case to a cross-party group of former US Congressional representatives in 2013, and this briefing is widely used by journalists and film/TV executives looking for a concise, neutral point of view introduction to what happened.