Accidental transport of nuke warheads

The Washington Post story here.
The more conspiracy side here -- considers the possibility of missing nuke.
Then there's the story of six loading airmen and pilots working at the relevant air force base all having died last week. Back and forth on the conspiracy angle in the comments. The extreme conclusion is prepping to nuke Iran, or even using one on American soil to justify nuking Iran.
Can get lost in this, so did not read thoroughly.