当达到182公里高度时，第二级火箭自动脱落，速度达到每秒68公里。
When reached 182 km, second stage rocket off automatically, reach a speed of 68 kilometers per second.
引述韩国和美国情报部门的报告，该报纸指出，此火箭的第二级落入距离发射点舞水端里3200千米的海域中。
Citing South Korean and US intelligence authorities, the paper reported that the rocket's second stage landed in waters about 1, 984 miles (3, 200km) from the Musudan-ri launch site.
火箭又长又细，上部有点粗，因为它的第二级比固体燃料火箭发动机驱动的第一级要厚。
The rocket is long and slender, and fatter on top because its second stage is thicker than its solid rocket motor-powered first stage.
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