An American aircraft carrier armed to the teeth with billions of dollars worth of warplanes, helicopters and other high-tech weaponry sailed into Busan on Friday, in a show of military might designed to deter North Korean threats. 

At over a thousand feet long, the USS Ronald Reagan is capable of waging war at a moment’s notice and is visiting the peninsula to participate in joint U.S.-ROK exercises, less than a week after the allies threatened an “overwhelming response” to any DPRK nuclear attack.