https://www.azcentral.com/story/news/local/phoenix/2017/06/14/kurt-russell-claims-reported-phoenix-lights-ufos/394749001/

Russell is a skilled pilot and boat racer ( he and Don Johnson held a speed boating world record for a while)

Here’s someone’s account of witnessing the Phoenix Lights, perhaps the largest UFO sighting in history. Basically the entire city saw this enormous UFO literally miles (many kilometers) wide.

Here’s a fascinating documentary about it: https://kimcampion.com/aliens/the-phoenix-lights-excellent-documentary-on-one-of-the-largest-ufo-sightings-in-history/