Both other launches failed due to problems with the Blue Scout.
The launch failed when the rocket disintegrated during stage separation.
Three launches failed, all of which were carrying live nuclear warheads.
The development work began in 1970, the first rocket was launched on November 5, 1974, but the launch failed.
The launch occurred on 27 September 1963, and failed to achieve orbit.
I have a few weeks before launch suggested that the launch will fail.
They were able to officially conclude that the launch had failed.
Two more launches failed, this time as a result of launcher and engine problems.
The launch failed after one of the rocket's five engines did not start, resulting in an unstable flight plan.
The first launch of Kwangmyongsong-3 on 12 April 2012 failed.