sir, russia has already upgraded the system to s-400 which is even more capable but i am in for the oint development of s-500 air -defence system with india for which there shall be no match in the world in the immediate future.
i have already posted a link about the s-300and s-400 in the military section.
thanx
i have already posted a link about the s-300and s-400 in the military section.
thanx