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Recent tenders issued by the Defence Research and Development Organisation (DRDO) signal a significant leap forward in the STAR (Supersonic Target) missile program. These tenders for crucial components like rocket motor casing liners and nozzles suggest the missile's construction is progressing steadily, with potential developmental trials happening later in 2024.

A Training Game-Changer:

STAR is a revolutionary target missile designed to break the sound barrier, exceeding Mach 2.5 speeds. This cutting-edge capability will provide surface warship crews with unparalleled training in detecting and engaging modern supersonic anti-ship missiles, a critical skill set in today's naval warfare.

The Power of LFRJ Technology:

At the heart of STAR lies its advanced Liquid Fuel Ramjet (LFRJ) engine. This technology, also under development for the Astra Mk3 air-to-air missile program, offers extended range and endurance compared to traditional rocket motors. LFRJ engines prioritize efficiency for long-range missions, making them ideal for STAR's training role.

Beyond Training: Potential for Future Applications:

While training is a primary objective, the tenders hint at broader applications for STAR. The possibility of an air-launched variant from LCA Tejas aircraft suggests potential for deployment as an Anti-AWACS (Anti-Airborne Warning and Control System) and Anti-Radiation missile. Additionally, a ground-launched version with a booster for extended range is also being considered.

STAR's Impressive Specs:

• Range: 200 kilometers
• Altitude: Operational between 0.1 kilometers and 10 kilometers
• Speed: Reaches supersonic speeds between Mach 1.8 and Mach 2.5
• Flight Time: Can sustain flight for 50 to 200 seconds

Development Timeline and Expected Outcomes:

DRDO has been conducting extensive wind tunnel testing, leading to design refinements. The program anticipates being ready for demonstration trials by 2023-24. Speculation suggests that the successful development of a STAR target drone could lead to a spin-off program – an anti-ship missile based on STAR technology for both aircraft and ship-based platforms.

LFRJ vs. SFDR: Understanding the Engine Choice

The selection of LFRJ technology for STAR is strategic. While Solid Fuel Ducted Ramjet (SFDR) engines offer greater energy density and storage ease, they lack the throttle-ability needed for optimal cruise missile performance. LFRJ engines, on the other hand, excel in range and endurance due to their ability to adjust fuel flow throughout the flight path, making them a perfect fit for STAR's training mission and potential future cruise missile applications.

India's development of the STAR program underscores its commitment to strengthening its national defense capabilities through innovative missile technology. The program's potential extends beyond training, offering a glimpse into the future of Indian missile development.