The Pentagon is trying to dial back rising tensions between North Korea and the United States.
U.S. officials said they'll keep a lower profile when it comes to the military drills taking place near North Korea.
While they still believe Kim Jong Un won't act on his threats, they say it's better to be cautious.
"I think we need to be careful to try and give Kim Jong Un an incentive to walk back from this brink, even as we also show firmness in our response," Michale O'Hanlon, foreign policy expert, said.
Meanwhile, North Korea shows no sign of backing down. Its military went through with plans to move a mobile missile launcher to the country's east coast, a sign of a planned test-fire or a pre-emptive strike.
On Friday, North Korea asked embassies to relocate its staff, warning it cannot guarantee the safety of diplomats after April 10.
A British official said it sees the move as part of "their continuing rhetoric that the U.S. poses a threat to them."
If a missile is fired it could hit Japan, as well as U.S. bases in Okinawa and Guam, home to thousands of Americans.