In one unique design, the engine is submerged in the UDMH propellant tank to save space (SS-N-23 submarine-launched ballistic missile).
On August 6, 1989, the Delta-IV class submarine, K-84 Yekaterinburg, attempted to salvo launch all 16 R-29RM missiles.
R-29RM Shtil | Shtil' |