Showing posts with label DAC. Show all posts
Showing posts with label DAC. Show all posts

Monday, February 16, 2026

Understanding the Strategic Importance of AS-HAPS Project




Days after the DAC in India accorded AoN to an IAF requirement for an Airship-based High Altitude Pseudo Satellite (AS-HAPS), Russia flight-tested a conceptually similar system.


India's AS-HAPS and the Russian system, named Barrage-1, are both based on lighter-than-air platforms that operate in the stratosphere.


However, while the AS-HAPS is being developed for the Indian Air Force to carry out "persistent Intelligence, Surveillance and Reconnaissance, Electronic Intelligence, telecommunication and remote sensing", Russia's Barrage is primarily focused on providing low-latency, high-bandwidth internet to its troops and field formations.


Another difference: the Russian system is not based on an airship platform; it is based on an aerostat platform.


Barrage System


The Russian system, named Barrage-1, will initially provide Starlink-like connectivity along the battlefront in Ukraine. Later, with increased deployment, the system will provide high-bandwidth, low-latency connectivity in remote areas and across the country.


Russia's Barrage-1 has been developed by the Russian company Aerodrommash in cooperation with Bauman Moscow State Technical University.




The first successful test flight was announced around February 12, 2026.


Most news outlets have reported an operating altitude of 20 km, but some reports allude to an altitude capability in the 20–40 km range.


The system, which can stay aloft for several weeks, features up to a 100 kg payload comprising communications, 5G relay, and other equipment.


The aerostat is made of translucent film material typical of high-altitude balloons. It keeps station and cruises using pneumatic ballasting that leverages differences in wind speed and direction at varying altitudes.


The operating altitude of the Barrage system facilitates low-latency broadband connectivity to Russian drones and hybrid cruise missile–drone combinations operating deep inside Ukrainian territory — the kind of connectivity that Ukrainian forces already enjoy using Starlink.


Allow me to explain latency.


Typically, satellite-based internet uses satellites parked in geostationary orbit (GSO) at an altitude of 35,786 km (22,236 miles) above Earth's mean sea level. Starlink uses a constellation of satellites in low Earth orbit (LEO) at an altitude of 550 km.


RF signals typically take 240 ms for a round trip to a GSO satellite. In contrast, a round trip to a Starlink satellite takes only 3.7 ms.


Guess what a round trip to a HAPS platform would take? 0.3 ms!


Low-latency connectivity facilitates remote piloting of drones. It also enables instantaneous, widespread distribution of footage relayed by the drone to command-and-control nodes for quick decision-making.


The Barrage-1 system will not only allow real-time control of Russian drones operating deep inside Ukrainian territory, it will also facilitate instantaneous dissemination of drone video footage to command-and-control nodes for a quick response.


Indian HAPS Development


India has been actively developing HAPS technology over the past five years.


NewSpace Research & Technologies (NRT), a Bengaluru-based private limited company, has been developing an autonomous, solar-powered unmanned aerial system (UAS) in collaboration with HAL, the prototype development partner.


According to the company, the aircraft is being designed to stay airborne for more than 90 days while cruising at an altitude of 65,000 ft. A scale model has already been tested.


In October 2022, the company spokesperson told Jane's, “The scale model, which was tested, has a wingspan of 8 m. The full-sized HAPS is planned to have a wingspan of 24 or 25 m.”


In February 2024, Jane's reported that India's Council of Scientific and Industrial Research – National Aerospace Laboratories (CSIR-NAL) had carried out a series of flight tests on a subscale model of its high-altitude pseudo-satellite (HAPS) platform.


The tests were conducted at the Defence Research and Development Organisation's (DRDO's) Aeronautical Test Range (ATR) at Challakere, Karnataka, from January 23, 2024, to February 2, 2024. During the tests, the subscale model, which has a wingspan of 12 m and a maximum take-off weight of 22 kg, conducted about 22 sorties and accumulated close to 37 flight hours.


L. Venkatakrishnan, NAL's chief scientist and high-altitude platform programme director, told Jane's, “The aircraft met or exceeded all the performance metrics set out for it, including a flight endurance of more than 8 hours 30 minutes and reaching an altitude of almost 3 km above mean sea level.” Venkatakrishnan added that metrics including climb rate, maximum bank angle, turn radius, and one-engine-inoperative performance were also assessed during the flight tests.


Mira Aerospace (UAE) and VEDA Aeronautics (India) have an active India-UAE collaboration on a fixed-wing, solar-powered HAPS.


The collaboration pivots around Mira's mature ApusNeo HAPS technology. VEDA serves as the “Make in India” front.


In March 2024, VEDA had committed to "deliver a HAPS platform specific to the Indian market within the first half of 2024."


Prior to that statement, the company's technology demonstrator HAPS unit flew in the Indian stratosphere — the only such flight in India to date.


The HAPS operates solely on solar energy and cruises autonomously at altitudes ranging from 16 to 20 km for extended periods. It cruises at 18,000 m with a 35 kg payload, with endurance varying from 30 to 45 days.


In January 2026, the Indian Army awarded a fast-track contract worth ₹168 crore (≈ USD 18.6 million) to Bengaluru-based NewSpace Research & Technologies (NRT) for its solar-powered Medium Altitude Persistent Surveillance System (MAPSS) UAV.


AS-HAPS


It appears that HAPS and AS-HAPS are two distinct projects. Only one of them, AS-HAPS, has received DAC AoN, indicating high development and procurement costs.


HAPS development has so far been privately funded, and the recent procurement contract is under the Indian Army's emergency purchase authorisation.


Conclusion


India in the past has focused solely on developing solar-powered high-altitude drones as pseudo-satellites. However, the focus has been on surveillance and communication relay.


The AoN for AS-HAPS appears to be a more ambitious project. Hopefully, Indian defence planners have factored in the enormous advantages that will accrue from integrating broadband internet capabilities into the planned AS-HAPS.


If the Barrage system delivers on its promise, it will likely do so at a very small fraction of the cost of deploying and maintaining the Starlink system. A similar spin-off could accrue to India from the AS-HAPS project.


Copyright © Vijainder K Thakur. First published on Thumkar.

Tuesday, December 30, 2025

Long-Range Fires and Counter-Drone Defences Mark the Indian Army’s Transition to Modern Warfare

 

Maiden Test of Pinaka LRGR (Long Range Guided Rocket). Photo: DRDO


DRDO successfully conducted the maiden flight test of the Pinaka Long Range Guided Rocket (LRGR) on December 29, 2025, at the Integrated Test Range, Chandipur.

The rocket was tested for its maximum range of 120 km and its in-flight maneuvering capability.

The PIB press release covering the launch states that “the LRGR impacted the target with textbook precision.”

Also on December 29, 2025, the Defence Acquisition Council (DAC), chaired by Raksha Mantri Shri Rajnath Singh, accorded Acceptance of Necessity (AoN) for the procurement of LRGR for the Pinaka Multiple Launch Rocket System (MRLS). According to the PIB press release, the LRGR “will enhance the range and accuracy of Pinaka MRLS for effective engagement of high-value targets.”

In January 2025, the Indian Army had given DRDO an unofficial go-ahead to develop the 120 km range LRGR for the Pinaka MRLS, as well as a 300 km range rocket. (With 300 km range rockets, Pinaka would transition from classical rocket artillery to a quasi-tactical strike system.)

The Chief of the Army Staff (CAS), General Upendra Dwivedi, during his annual press briefing, confirmed that the DRDO, which had developed Pinaka unguided rockets with an extended 45 km range and Pinaka guided rockets with a 75 km range, has now been tasked with further extending MRLS rocket range, first to 120 km and then to 300 km.

He indicated that the Army would drop plans for other longer-range weapons if the DRDO was able to deliver longer-range Pinaka rockets.

General Dwivedi said, “As soon as we get longer ranges, we might drop plans for other alternate long-range weapons we are looking at and concentrate on it (Pinaka 3).”

The IA has also expressed interest in acquiring long-range kamikaze drones. It is likely that General Dwivedi was referring to them when he alluded to dropping other alternate long-range weapons.

The Indian Army is aggressively moving to upgrade the Pinaka MRLS with long-range guided rockets, likely driven by the effectiveness of long-range fires from MLRS systems such as Russia’s Tornado-S and the US HIMARS during the Ukraine war. It is heartening to see the DRDO responding proactively and moving aggressively to meet the Indian Army’s evolving requirements.

Current Pinaka System

The most advanced Pinaka MRLS variant currently operated by the Indian Army—the Pinaka Mk.2 Guided Pinaka Rocket System—can engage targets from 20 km to 80 km range with an accuracy of 30 m.


The Pinaka Mk.2 is a 214 mm calibre system. It can launch unguided rockets with a maximum range of either 40 km or 60 km, as well as Guided Pinaka rockets with a maximum range of 80 km.

Guided Pinaka rockets, also known as Enhanced Pinaka rockets, feature a 250 kg warhead, canard-based aerodynamic control, and guidance using a combination of Inertial Navigation System (INS) and Satellite Navigation (SATNAV).

The rocket’s SATNAV has been integrated with the Indian Regional Navigation Satellite System (IRNSS)—the Indian version of the US Global Positioning System (GPS).

With the help of trajectory lofting and aerodynamic glide provided by the canards, the Guided Pinaka rocket can achieve a range of 80 km.

The Pinaka system capable of launching the LRGR is referred to as Pinaka Mk.3.

Pinaka Accuracy

DRDO claims that during trials, Guided Pinaka rockets have demonstrated an accuracy of as much as 10 m.

The claimed accuracy and range of the Guided Pinaka place it in the league of the US Army’s M270 Multiple Launch Rocket System (M270 MLRS).

The LRGR Pinaka rockets conform to the 214 mm calibre. The proposed 300 km range Pinaka rockets are expected to use a 300 mm calibre format to accommodate a larger propellant mass.

Additional IA Procurements

Besides LRGR, the DAC additionally accorded AoN for the procurement of Loiter Munition Systems for Artillery Regiments, Low Level Light Weight Radars, and the Integrated Drone Detection & Interdiction System Mk-II for the Indian Army.

Low Level Light Weight Radar (LLLWR)

Low Level Light Weight Radars (LLLWRs) are used in mountainous areas to plug gaps in defence against adversary aircraft, helicopters, UAVs, and cruise missiles. The radar can detect a small fighter target at a range of around 50 km.

The MoD initially procured 19 Elta 2160 radars from Israel under the LLLWR requirement. A variant of the Elta 2160 is used with the SpyDer SAM system inducted into the IAF.

LLLWR 3D Aslesha is a DRDO-developed replacement for the Elta 2160.

Integrated Drone Defence System

The Integrated Drone Detection and Interdiction System (IDDIS) Mk-II is a mobile, rapid-deployment system intended for the defence of vital points (VPs) such as ammunition depots.

The system was developed by DRDO’s Centre for High Energy Systems & Sciences (CHESS), in collaboration with the Armed Forces.

It comprises a sensor suite (radar, EO/IR, and passive RF detection) to detect and track drones, and directed energy weapons (DEWs) and RF jammers to neutralize them. The DEW reportedly has a range of 2 km.

The radar used in the sensor suite is an adaptation of the Dutch Flycatcher I/J/K-band fire-control radar used with CIWS and locally manufactured by BEL.

The DEW, developed by the Laser Science and Technology Centre (LASTEC), uses a gas-dynamic high-power laser developed under LASTEC’s Aditya project.

Conclusion

It is good to see the IA wholeheartedly embracing technology that the DRDO has been developing over the years.

Long-range rockets with a 120 km range, such as the US M270 MLRS and Russian Tornado-S, have proven to be very effective for interdiction and area denial. MLRS systems with 300 km range rockets, capable of striking airbases, industrial plants, and infrastructure deeper in the interior, possess strategic capabilities.

However, there are challenges associated with developing long-range MLRS systems that the DRDO would need to adequately address during development. These include:

1. Target detection and geolocation

2. Accurate and EW-resilient guidance

3. Evasion of counter-battery fire

Target detection and location require persistent surveillance using drones and satellites. India’s Ministry of Defence would need to acquire these in larger numbers than are currently available.

Adversary EW systems can compromise the accuracy of both SATNAV and INS. The INS on the rockets needs to be hardened against EW, and SATNAV needs to be made more resilient through the use of multiple antennas.

Finally, to evade counter-battery fire, MLRS systems need to be highly agile and capable of changing location very quickly after launching rockets. The IA would need high-mobility vehicles similar to those used with the US ATACMS system.

Copyright © Vijainder K Thakur. First published on Thumkar.