India's TARA: Smart bomb that hits bullseye

On Thursday, 7th May, something big happened on the Odisha coast. The Defence Research and Development Organisation (DRDO) along with the Indian Air Force (IAF) successfully carried out the first flight test of a brand-new weapon called TARA.

The full name is Tactical Advanced Range Augmentation. Don't let the heavy name scare you. In simple words, TARA is a special kit that turns ordinary "dumb bombs" into smart, accurate, target-hitting weapons. And the best part is, it is fully made in India.

Now, you must be wondering, what exactly is a glide bomb? Imagine throwing a paper plane. It has no engine, but because of its shape, it glides smoothly through the air and lands where you want. TARA works on a similar idea, but with deadly precision. It has no engine of its own. The fighter jet drops it from a safe distance, and then TARA glides through the air using its smart shape and computer-controlled guidance system to hit the enemy target accurately. This way, our pilots stay far away from danger zones while still doing the job perfectly.

TARA was designed by Research Centre Imarat (RCI) in Hyderabad, along with other DRDO laboratories. Several Indian private companies, called Development cum Production Partners (DcPP), have already started making this weapon. Defence Minister Rajnath Singh congratulated the entire team, saying this is a proud moment for India's self-reliance in defence technology. DRDO Chairman Samir V Kamat also praised the scientists and engineers who made this dream come true.

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So how does TARA make a normal bomb so accurate? The trick lies in the kit. The Indian Air Force already has many General Purpose (GP) bombs and High-Speed Low Drag (HSLD) bombs sitting in its stockpile. These are basically just iron casings filled with explosives, and when dropped, they may or may not hit the exact target. TARA fits onto these existing bombs like a smart jacket. Once the kit is attached, the same old bomb suddenly becomes a high-precision missile-like weapon. This saves crores of rupees because we don't have to build new costly bombs from scratch.

TARA comes in three different sizes — 250 kg, 450 kg, and 500 kg variants. The full length of the weapon, including the kit, is around 1.90 metres. The explosive warhead inside weighs between 110 kg and 170 kg depending on the variant. Currently, TARA is being tested on the Jaguar fighter aircraft, but it will soon be fitted on Mirage 2000 and Sukhoi Su-30 MKI jets too. This means a large part of the IAF fleet will get this powerful new weapon.

What makes TARA truly special is its dual-mode guidance system. Think of it like Google Maps inside the bomb. During the middle of its flight, TARA uses a fiber-optic gyro inertial navigation system (INS) along with GPS satellite signals to stay on course. The INS is like an internal compass that tracks position even without outside signals — useful when enemy jams the GPS. In the final attack stage, TARA switches to Semi-Active Laser (SAL) mode. Here, the pilot or a ground team shines a laser beam on the target, and the bomb follows that laser like a moth to a flame. With normal GPS guidance, the accuracy is about 30 metres. But with the laser mode, it becomes a stunning 3 metres. That means it can hit the exact window of a building if needed.

TARA is also very flexible in how it operates. It can be released from heights as high as 10 kilometres or as low as 150 metres. Its speed ranges between 640 and 1,200 km per hour, giving commanders the choice between fast strikes and slow, stealthy attacks. The exact strike range is kept secret for security reasons, but experts believe TARA can hit targets between 50 and 70 kilometres away. This means our fighter jets can attack enemy positions while flying safely inside Indian territory.

The smart aerodynamic body of TARA cuts down air resistance, helping it glide farther and strike harder. Its advanced control system can even make last-second adjustments to dodge enemy air defence systems and hit weak points on the target.

In a world where wars are becoming more high-tech every day, TARA is a game-changer for India. It is cheap, smart, deadly accurate, and completely Made in India. This single test flight off the Odisha coast has put India in a small group of nations that own such advanced glide bomb technology. Truly, it is a moment of pride for every Indian.

(Girish Linganna is an award-winning science communicator and a Defence, Aerospace & Geopolitical Analyst. He is the Managing Director of ADD Engineering Components India Pvt. Ltd., a subsidiary of ADD Engineering GmbH, Germany.)