North Korean leader Kim Jong Un's influential sister said Tuesday that the deployment of a U.S. aircraft carrier to South Korea would prompt Pyongyang to bolster its nuclear arsenal and ramp up military provocations.

The U.S. aircraft carrier USS Carl Vinson arrived at the southern port city of Busan in South Korea on Sunday as a show of force against North Korea, South Korea's navy said.

The powerful sister of North Korean leader Kim Jong Un threatened Tuesday to launch high-profile provocations in response to the arrival of a U.S. aircraft carrier in South Korea and other U.S. military activities,

North Korea appears close to completing its first airborne early warning aircraft, satellite imagery showed, an asset that experts say will sharply bolster the country’s air force power when it’s deployed.

Kim Yo Jong, the sister of North Korean leader Kim Jong Un, has condemned the United States' move to deploy an aircraft carrier in South Korea, calling it an act that justifies Pyongyang’s nuclear program.