Or if the pilot/copilot accidentally engage the wrong projectile (Although I would think the nuke would have several elaborate/fail safe procedures).
Or if the pilot/copilot accidentally engage the wrong projectile (Although I would think the nuke would have several elaborate/fail safe procedures).
Or the time in 1961 when a B52 on routine patrol carrying 2 H-bombs broke up in mid-flight over North Carolina and the failsafes on the bombs came oh-so close to not working.
http://www.history.com/news/document-reveals-1961-nuclear-close-call-over-north-carolina