Story highlights Military says the range of the missiles includes all of South Korea

Test comes after Seoul announced it will deploy THAAD missile defense system

Seoul, South Korea (CNN) North Korea fired three ballistic missiles off its eastern coast on Tuesday morning, according to the South Korean military.

The missiles, launched between 5:45 a.m. and 6:40 a.m. local time, were fired from North Hwanghae province in the western part of North Korea and traveled between 500 and 600 kilometers (between 310 and 370 miles), according to a statement from the South Korean Joint Chiefs of Staff.

According to North Korean state media, Kim Jong Un personally "provided field guidance" for the drill.

The missiles are believed to be short-range, Scud or Rodong type and flew around 500 to 600 kilometers (300 - 380 miles), said Jeon Ha-gyu, spokesman for the South Korean Joint Chiefs of Staff.

The statement noted that this range encompassed all areas of South Korea, including the seaport of Busan at South Korea's southern tip.