President Trump has ordered the military to “immediately” begin testing nuclear weapons for the first time in more than three ...

It's not clear what President Trump's call to resume nuclear testing means, but the United States hasn't done it for more than 30 years.

From rail-launched ICBMs and plow-equipped mobile trucks to buried “trench missiles,” the Peacekeeper program pushed Cold War innovation to extremes. Yet by the time it reached full deployment, new ...

The US already had submarine-launched and air-launched nuclear weapons — so why did it spend billions to build a ground-launched missile? The story of the Peacekeeper is neither simple nor expected.