US Unveils B61-13 Nuclear Warhead: 24 Times More Powerful than Hiroshima Bomb Sandia National Laboratories (SNL) has revealed the US’ newest nuclear weapon. The B61-13 variable-yield gravity bomb is set to be a game-changer in the realm of nuclear deterrence. With a firepower that surpasses the infamous Hiroshima bomb by a staggering 24 times, the […]