The exercise was launched in the city of Pocheon on December 29 and is scheduled to end on Friday, January 5, media reported, adding that the drills had involved a total of 110 weapons systems from the two countries, including K1A2 tanks, A-19 combat aircraft, Stryker armored personnel carriers and artillery systems.
The program of the drills included air strikes against simulated targets, tank shooting and air defense, the report said.
The South Korean troops have already staged a number of training exercises and practiced other tactics earlier this week, media added.