India gets 4th S-400 air defence system, which played crucial role in Op Sindoor, from Russia

India has received the fourth squadron of the Sudarshan S-400 long-range air defence systems from Russia, ANI reported. The S-400 played a crucial role during India's Operation Sindoor against Pakistan. India was to acquire five S-400 squadrons from Russia, out of which three arrived two years ago, and the fifth one is expected to come within the next few months.