SUBMARINES

Defense Secretary Jim Mattis Visits Minot Air Force Base

Sen. Hoeven says he's glad Secretary Mattis is visiting the base

MINOT, ND — Defense Secretary Jim Mattis visited Minot Air Force Base and talked about his change of course on nuclear weapons. Mattis says he’s become convinced that the U.S. must keep all three parts of its nuclear force, rather than eliminate one of them, as he once suggested. That force consists of land-based missiles, known as intercontinental ballistic missiles,…