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What nuclear weapons experts will watch for under Trump 

Researchers will be monitoring arms control, the U.S. arsenal and the possibility of resumed tests

Military personnel are shown with a nuclear-capable weapons system during a test.

The United States has undertaken a massive effort to modernize its nuclear arsenal, replacing or refurbishing its nuclear weapons and the missiles, submarines and bombers that carry them.

U.S. Air Force photo/Airman 1st Class Devan Halstead

By Emily Conover

It’s a pivotal moment for nuclear weapons.