2nd Aircraft Carrier Strike Group Deployed to South Korea

The aircraft carrier USS Theodore Roosevelt departs its homeport of San Diego for a regularly scheduled deployment to the U.S. 7th and 5th Fleet areas of responsibility, in support of maritime security operations and theater security cooperation efforts. U.S. Navy photo by Mass Communication Specialist 1st Class Travis S. Alston

The United States has taken the unusual step of deploying a second nuclear-power Nimitz-class aircraft carrier to patrol the waters off South Korea.

The USS Theodore Roosevelt and the Theodore Roosevelt Carrier Strike Group, (TRCSG) originally headed for the Persian Gulf, have been rerouted to the area off the Korean Peninsula.