The following text incorporates several figurative expressions:
North Korea – metonymy as the name of the state does not directly refer to geographical unit in the map but rather the state government/military.
Hypersonic warhead – the term “hypersonic” may be interpreted as an epithet denoting the impressive speeds of the warhead
[The warhead] will reliably contain any rivals in the Pacific region – this is a case of personification as the possible action of an alive being of containing a rival is attributed to a physical object that is not alive. “Any rivals” appears as a hyperbole, meaning that the author of the text slightly exaggerates with capabilities of the missile in the context of neutralizing other countries.
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