Built at «North Machine-Building Enterprise» the prototype NPS of project no. 667BDR (plant no.355, board no. K-424) with 16 ballistic missiles on the board was given to Navy fleet. Firstly fighting missiles with dividing militant charges were arranged at NPS.
In whole, in Severodvinsk 14 NPS of this project were built

At «North Machine-Building Enterprise» the fourth NPS of project no. 667BDR (plant no.368, board no. K-455) was given to Navy fleet