- Wikimedia Commons Operation Tumbler-Snapper From Wikimedia Commons, the free media repository Jump to: navigation , search English: Operation Tumbler-Snapper was a series of eight nuclear tests conducted by the United States in early 1952 at the Nevada Test Site . Able Charlie Dog Easy Fox George How Retrieved from " http://commons.wikimedia.org/w/index.php?title=Operation_Tumbler-Snapper&oldid=77010737