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Good morning.

Here’s what you need to know:

• North Korea threatens “enveloping strike.”

Pyongyang is drawing up plans to launch four missiles into waters near the U.S. territory of Guam to teach President Trump a lesson, the North’s official news agency said today.

Here’s a primer on Guam, the tiny Pacific island at the center of a global war of words.

On Wednesday, the Trump administration sent mixed signals after the president spoke of “fire and fury” if North Korea persisted in its nuclear threats.

Mr. Trump’s language surprised his aides, and it broke with a presidential tradition of carefully calibrated warnings.