Republican leaders are concerned about rumored plans to scale back American military involvement in Europe and Japan.

DONALD Trump has bluntly declared that Ukraine can "forget about" joining NATO, blaming the alliance ... before meeting Trump in Washington, in what the US leader called a “great deal for ...

Former Senate Republican Leader Mitch McConnell (Ky.) warned on Thursday that the Trump administration would significantly weaken NATO if the United States were to give up military leadership of ...