United States Type B53 Thermonuclear Training Device and Casing #photography #airplanes #avgeek #aviation #wingsovertherockies #highlight #wingsmuseum #nuclearbomb #b53 #wingsovertherockiesairspacemuseum #denver #colorado #thermonuclearbomb #9megaton #8feet #24m #5feet #15m #8 #000pounds #3 #600kg #airplane (Flickr 05.06.2017) https://www.flickr.com/photos/7489441@N06/35097580556