By Tim Jimenez

PHILADELPHIA (CBS) — With tensions rising between North Korea and the United States, a prominent U.S. lawmaker wants military families out of South Korea.

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With all that’s going on between the U.S. and North Korea, Sen. Lindsey Graham, R-S.C., told CBS’ Face the Nation on Sunday that the Pentagon should act.

“I think it’s now time to start moving American dependents out of South Korea,” said Graham.

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That means the spouses and children of 28,000-plus U.S. troops out of that country. CBS News Military Analyst Mike Lyons says that would mean there would be no turning back.

“We would be beating a very large war drum and, for all practical purposes, would lead to possibly putting troops inside of South Korea and potentially starting a conflict,” said Lyons.

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But Lyons says the U.S. would first need to consider several factors, like losing the element of surprise, from a strategy standpoint, and the effect on the South Korean economy.