and was wondering what technology would have been available in the 1950s to explain these encounters as either man made or natural phenomena?
http://www.theufochronicles.com/2015/11/ufo-seige-at-top-secret-atom-plant-ufo.html
http://www.theufochronicles.com/2015/11/ufo-seige-at-top-secret-atom-plant-ufo.html