In a significant boost to India’s long-range air defence system, the fourth squadron of the S-400 Triumf, known as the Sudarshan air defence system, has arrived from Russia. According to the news agency ANI, the advanced air defence system reached India by sea a few days ago and is expected to be deployed in an operational sector shortly.
Three S-400 squadrons are already operational with the Indian armed forces and have been deployed in strategically important sectors.
The fifth squadron of the S-400 air defence mission system is expected to reach India in the next few months. The Defence Acquisition Council (DAC) has already cleared the acquisition of five more squadrons of the S-400s.
The S-400 air defence missile system has a maximum strike range of 400 km. The S-400 is regarded as Russia’s most advanced long-range surface-to-air missile defence system, capable of tracking and neutralising multiple aerial threats simultaneously.
India had signed the agreement for the procurement of five S-400 air defence squadrons in 2018. While the first three units were delivered and inducted over the past few years, the delivery schedule for the remaining two squadrons was affected by disruptions caused by the ongoing Russia-Ukraine War.
India is also working on an indigenous programme, codenamed Project Kusha, to develop its own air defence systems capable of shooting down enemy drones at similar ranges as the Russian system.
The Sudarshan played a huge role in thwarting the Pakistan Air Force’s capabilities during Operation Sindoor, where it secured the longest recorded surfaceto-air kill by bringing down a high-value Pakistan Air Force surveillance aircraft flying at over 300 km.













