The world's biggest nuclear weapon - the infamous minivan-sized megaton B53 - died Tuesday, of old age. The five-ton bomb was about 50 years old. The Energy Department's National Nuclear Security Administration announced its passing at the Pantex nuclear plant outside Amarillo, Texas.
Mark Thompson at Battleland blog notes the dismantling is being hailed by the Obama administration as proof of commitment to arms control.
Read the story on Time's Battleland blog.