800 U.S. troops were sent to South Korea .

800 U.S. troops were sent to South Korea .

United States , will send 800 more troops to South Korea while noting its allies in the Far East to North Korea is not provoked .

In the midst of anxiety after the North Korean leader , Kim Jong - un , his uncle execute , U.S. Secretary of State , John Kerry , met with Foreign Minister of South Korea, Yun Byung - se , in Washington .

Yun said , and there are no divisions between the two countries .

" We remain fully pledged to defend the Republic of Korea , including through the prevention of attacks and puts entirely military capabilities the United States, " said Kerry , referring to the name of South Korea .

" We will continue to modernize our capabilities so that we are ready to face any threat , " said Kerry .

The Pentagon said the U.S. Army will send 800 more soldiers with armored vehicles and tanks from next month to Camp Hovey and Camp Stanley , near the line of demarcation 38 degrees North latitude .

Deploying the rotation of the First Battalion , XII Cavalry Regiment , was part of the U.S. strategy changes toward the Asia-Pacific region and allow a wider response in the face of operational needs , the Pentagon said in a statement .

Pentagon spokesman Col. Steven Warren , say , the United States , which had held 28,500 troops in South Korea , will increase its presence through the decision but the move has been long planned .

" This is an addition , " said Warren , told reporters . Cavalry units are combat ready to perform their duties for nine months and left 40 Bradley armored fighting vehicles and 40 M1 Abrams tanks for the troops accompanying the equipment , "the Pentagon said .

South Korea and the United States was shocked when North Korea took action unprecedented to publicly announce the execution of Jang Song - thaek , uncle of young leader Kim , and former mentor ; since been charged with one perseko