Detonating a thermonuclear weapon on the moon? It sounds like the devious scheme of a deranged comic-book villain and not a project initiated inside the United States government! But in 1958, as the Cold War space race was heating up, the U.S. Air Force set out to do just that! Code-named "Project A119," it was…
di·gres·sion \ -ˈgre-shən \
1: the act or an instance of leaving the main subject in an extended written or verbal expression of thought : the act or an instance of digressing in a discourse or other usually organized literary work.
2: archaic : a going aside