Pop-up test of a mockup of the missile.
First flight test. Launch from a surfaced submarine. Reports about failure of the third stage.
First launch from a submerged submarine.
Launch from a submerged submarine. The first stage failed shortly after launch.
Launch from a submerged submarine. Failure of the first stage.
From a surfaced submarine. Problems with the third stage.
Unconfirmed reports about problems with one of the warheads.
The first stage failed shortly after launch.