> A Broken Arrow is defined as an unexpected event involving nuclear weapons that result in the accidental launching, firing, detonating, theft, or loss of the

> A Broken Arrow is defined as an unexpected event involving nuclear weapons that result in the accidental launching, firing, detonating, theft, or loss of the weapon. and then > The CIS (Commonwealth of Independent States) "Oscar II" class submarine, Kursk, sinks after a massive onboard explosion. Attempts to rescue the 118 men fail. It is thought that a torpedo failure caused the accident. Radiation levels are normal and the submarine had no nuclear weapons on board. I don't understand how this is on the list, if it had no nuclear weapons on board.