ISRO Aims for VASIMR Propulsion by 2038 to Boost Space Exploration
ISRO is advancing plans to develop the VASIMR plasma propulsion system by the late 2030s, positioning it as a key technology for faster Mars transfers, lunar logistics and high‑efficiency space tugs, contingent on future multi‑megawatt, low‑mass space power sources. The roadmap, highlighted during recent National Space Day discussions, frames VASIMR as an electric engine that heats inert gases such as argon or xenon with radio waves to million‑degree plasmas and magnetically accelerates the exhaust, enabling variable thrust and far higher specific impulse than chemical rockets. Background material notes prior 100–200 kW‑class demonstrations and propellant flexibility, while underscoring the main hurdle: compact power systems far beyond current capabilities for practical multi‑MW operation in deep space. The initiative dovetails with broader Indian ambitions in advanced transport architectures, including reusable vehicles and cislunar infrastructure, and aligns with global efforts led by private developers who have matured VASIMR prototypes toward long‑duration, high‑power testing.