A month later, Mattis was informed that Trump had ordered a pause in U.S. military exercises with South Korea only after the president had already promised the concession to North Korean leader Kim Jong Un.
Last week, Trump again blindsided and overruled his defense secretary by publicly directing the Pentagon to create a sixth military branch overseeing operations in space.
A storied US agency, one that began under President Kennedy in 1961 with the aim of...
