As reported by Military Times, most are now aware that the U. S. Air Force unknowingly transported six nuclear weapons on a B-52 bomber from Minot Air Force Base in North Dakota to Barksdale AFB in Louisiana.  This means, necessarily, that for some period of time those six weapons were not under control, at least not under the sort of two person control that nuclear weapons and nuclear related items are normally under.  Since they thought they were transporting six demilitarized cruise missiles, probably Tomahawk Land Attack Missiles (TLAM N), it is likely that the bomber crew had no idea they were transporting nuclear weapons.  So, there were no normal nuclear security precautions on board the aircraft.  This was a huge loss of security and undoubtedly several careers will be ended over this incident.

Having said that, we flew nuclear weapons over the United States for decades without incident, so there is little need to get overly upset.  However, this does bring up an interesting discussion about nuclear weapon control that Peter Feaver often discusses in his writing on nuclear proliferation.  He argues that we must control further proliferation of nuclear weapons and nuclear technology because many of the countries that have such weapons or want such weapons have pathologies in their civil military relations.  That means there are serious issues with the ability of the military to be adequately controlled by the civilian authority.

What does that have to do with this case.  No one seriously believes that six nucs got lost over America and they threatened world peace.  What it points out is that in a country with air tight security over nuclear weapons we can experience a lapse.  How much more likely is it in a country with a poor record of such security (e.g., Russia, Pakistan) for such incidents to occur.

Nuclear terrorism is a serious issue and incidents like this must keep us ever vigilant to ensure we keep the reins very tight on nucs, not just here, but across the globe.