North Korean leader Kim Jong Un oversaw tank drills on Wednesday, according to state media, inspecting a new main battle tank introduced in recent years and test-driving a model.

It was Kim’s third public appearance at military drills in the last week, following a special forces exercise simulating the takeover of a South Korean border guard post and artillery drills practicing an attack on Seoul.

The North’s drills coincide with large-scale U.S.-South Korea joint military exercises called Freedom Shield ongoing from March 4 through 14.

The allies conducted their own joint tank drills in Pocheon on Thursday morning. 

Thursday’s