The US military and intelligence community is still analyzing data from the test launch to determine what type of missile was fired and how far it went.
It is not yet clear whether the missiles were short, medium or long range, such as an intercontinental ballistic missile (ICBM).
The United States follows all North Korean weapons tests using radar and satellites. American satellites are able to almost immediately detect the thermal signatures of a missile launch.
Earlier today, South Korean chiefs of staff told reporters that North Korea launched an unidentified projectile at the sea between the Korean peninsula and Japan.
The Japanese Coast Guard has warned ships to be on the lookout for falling debris.
You Can Read Also