NORAD and USNORTHCOM monitor North Korean launch

North American Aerospace Defense Command and U.S. Northern Command officials acknowledged today that North Korea launched a Taepo Dong 2 missile at 10:30 p.m. EDT Saturday which passed over the Sea of Japan/East Sea and the nation of Japan. Stage one of the missile fell into the Sea of Japan/East Sea. The remaining stages along with the payload itself landed in the Pacific Ocean. No object entered orbit and no debris fell on Japan. More

(Source: U.S. Northern Command - Apr 5)