BUSAN, South Korea, Sept 23 (Reuters) – A U.S. aircraft carrier arrived in South Korea on Friday for the first time in nearly four years to join South Korean ships in a military show of force aimed at sending a message to the North Korea. the officials said. The USS Ronald Reagan and ships from its accompanying strike force docked at a naval base in the southern port city of Busan. Its arrival marks its most significant deployment yet as part of a new push to operate more US nuclear-capable “strategic assets” in the region to deter North Korea. Sign up now for FREE unlimited access to Reuters.comSign up South Korean President Yoon Suk-yeol has pushed for more joint exercises and other shows of military power as a warning to North Korea, which earlier this year conducted a record missile test after talks failed to get it to end its nuclear weapons and missiles. . development. Observers say Pyongyang also appears to be preparing to resume nuclear tests for the first time since 2017. North Korea has denounced past US military deployments and joint exercises as rehearsals for war and evidence of hostile policies by Washington and Seoul. The visit is the first to South Korea by a US aircraft carrier since 2018. That year, the allies scaled back many of their joint military activities amid diplomatic efforts to engage North Korea, but those talks have since stalled and the Pyongyang this month unveiled an updated law codifying its right to conduct first-use nuclear strikes if necessary to protect itself. Sign up now for FREE unlimited access to Reuters.comSign up Report by Josh Smith. Edited by Lincoln Feast. Our Standards: The Thomson Reuters Trust Principles.