@lcafanboy
If K-4 Mk.I is capable of covering ~4,000 km, then K-4 Mk.II will be capable of target in between 5,000-7,500 km. I think, the range of K-5 is 7,500-10,000 km and not of K-6. S-5 SSBNs will have 12 tubes for K-5s. K-6 will be the longest range SLBM with less than 13,000 km. I am sure...