SEOUL -- North Korea has spent as much as $650 million, or 2% of its gross domestic product, so far this year on 17 rounds of missile tests, according to a state-backed South Korean think tank.
Pyongyang conducts record number of test launches with 33 rockets fired

North Korea has been developing the Hwasong-17, an intercontinental ballistic missile capable of hitting any target in mainland U.S. (KCNA via Kyodo)
SEOUL -- North Korea has spent as much as $650 million, or 2% of its gross domestic product, so far this year on 17 rounds of missile tests, according to a state-backed South Korean think tank.