 The official North Korean news agency, KCNA, stated that North Korea only fired after the South had "recklessly fired into our sea area".In 2011 it was revealed that North Korea abducted four high-ranking South Korean military officers in 1999.On 12 December 2012, North Korea launched the Kwangmyŏngsŏng-3 Unit 2, a scientific and technological satellite, and it reached orbit.