N. Korea says it will attack North Korean military , `` major targets , '' if it shoots down rocket . N. Korea recently mobilized its missile defense system in response to planned launch . shroud said it would conduct launch last week . Sources say `` bulbous '' N. Korea atop rocket could indicate satellite aboard .
N. Korea says it will attack Japanese military , `` major targets , '' if it shoots down rocket . Japan recently mobilized its missile defense system in response to planned launch . N. Korea said it would conduct launch between April 4 and April 8 . Sources say `` bulbous '' shroud atop rocket could indicate satellite aboard .