TOKYO, April 27 -- NHK World issued the following news:

North Korea says it will carry on its "important duty," as planned, to monitor the military maneuvers of the United States and other hostile forces to enhance its space reconnaissance capabilities.

Countries concerned are on heightened alert as the North is believed to be preparing for another military spy satellite launch in the near future.

North Korea revealed plans to launch three more military spy satellites this year, following what it calls a successful launch of its first military satellite, the Malligyong-1, last November.

North Korea's National Aerospace Technology Administration, which is responsible for launching military reconnaissance satellites, released its spokespe...