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HD-1

The HD-1 is a supersonic cruise missile designed for both anti-ship and land-attack missions, developed by Chinese defense contractor Poly Technologies.^[1]^[2] Powered by a solid-propellant ramjet engine, the missile achieves speeds between Mach 2.5 and 3.5, with a range of up to 290 kilometers and a sea-skimming flight profile as low as 4.8 meters to evade detection.^[3]^[1] Measuring approximately 5.7 meters in length with a diameter of 375 millimeters and a launch weight around 1,200 kilograms, it employs active radar and imaging infrared seekers for terminal guidance, enabling precision strikes against mobile naval targets or fixed coastal installations.^[1] First publicly detailed at Airshow China in 2018 following successful test firings, the HD-1 has been marketed internationally as a cost-effective alternative to systems like the BrahMos, with variants such as the HD-1A offering enhanced configurations for extended range or heavier payloads up to 2,200 kilograms.^[3]^[2] As of 2024, it continues to be showcased at defense exhibitions like DSA in Malaysia, positioning it for potential export to nations seeking advanced supersonic strike capabilities amid evolving naval threats.^[2]

Development

Origins

The HD-1 supersonic cruise missile originated from the efforts of Guangdong Hongda Blasting Co., Ltd., a company founded in 1988 and headquartered in Guangzhou, Guangdong Province, specializing in mining operations and industrial explosives production.^[4] With no prior involvement in missile development, Hongda independently funded and pursued the project, culminating in a successful test launch announced on October 15, 2018.^[5] This initiative represented an unusual entry into defense technology by a civilian mining firm, potentially drawing on its explosives expertise for aspects like ramjet fuel or warhead integration, though framed primarily as a dual-use or commercial endeavor.^[6] The HD-1's development context suggests an export-focused orientation, distinguishing it from standard People's Liberation Army programs. Marketing and promotional activities have been handled by Poly Technologies, a state-owned defense exporter affiliated with China Poly Group Corporation and maintaining historical ties to military-industrial entities.^[1] Poly has displayed HD-1 mockups and variants at international defense exhibitions, such as IDEX in 2023, underscoring the missile's role in China's broader arms export strategy rather than immediate domestic deployment.^[2] Design roots trace to influences from established Chinese supersonic systems like the CM-302, an export variant associated with the YJ-12 family, but adapted with modifications including reliance on an external booster for initial launch. This configuration highlights pragmatic engineering choices in a project originating outside traditional state arsenals.^[6]

Testing and demonstrations

The first documented test of the HD-1 supersonic cruise missile took place on October 15, 2018, when Guangdong Hongda Blasting Company, the developer, announced a successful launch from an undisclosed site in northern China.^[5]^[7] The company stated that the test validated the missile's launch sequence, propulsion power, and flight-control systems, marking maturation of its core components, though no independent observers confirmed the outcomes or target impacts.^[4]^[3] The HD-1 received its public unveiling at Airshow China 2018, held in Zhuhai from November 6 to 11, where Hongda displayed a mockup and first publicized key performance parameters, including a maximum range of 290 kilometers and speeds between 0.75 and 1.2 kilometers per second.^[3]^[7] This exhibition positioned the missile for potential export competition with systems like the BrahMos, but details remained based on manufacturer disclosures without third-party testing data.^[8] In subsequent international exhibitions, Poly Technologies, a state-linked exporter, showcased HD-1 variants to highlight launch platform integrations and sea-skimming profiles. At the Defense Services Asia (DSA) 2024 event in Kuala Lumpur, Malaysia, from May 6 to 9, the company displayed models of the HD-1 and HD-1A, emphasizing their low-altitude flight paths down to 5 meters and Mach 2.5 to 3.5 speeds for anti-ship roles, though these were static presentations rather than live firings.^[2] No additional flight tests beyond the 2018 event have been publicly verified by non-Chinese sources.^[9]

Design and technical specifications

Propulsion and aerodynamics

The HD-1 missile utilizes a solid-propellant ramjet engine integrated with a solid rocket booster for initial acceleration, enabling the missile to achieve supersonic speeds post-booster separation. The ramjet sustains cruise velocities ranging from Mach 2.2 to 3.5, as demonstrated in manufacturer tests conducted in 2018. This propulsion configuration relies on the booster to provide the necessary airflow velocity for ramjet ignition, a fundamental limitation of air-breathing engines that cannot generate thrust from standstill without external acceleration.^[4]^[5]^[1] Aerodynamic design incorporates a slender fuselage with a diameter of 0.375 meters and overall length approximating 8 meters including booster, facilitating low-drag profiles for extended range up to 290 km under claimed optimal conditions. The missile supports dual flight regimes: high-altitude cruise at up to 15 km for reduced detectability and fuel conservation, transitioning to sea-skimming trajectories at 5-10 meters altitude in the terminal phase to evade radar horizons. These features, validated through horizontal engine tests in May 2018 and full flight trials by October, emphasize structural maturity in materials and layout to withstand supersonic heating and maneuver stresses. However, ramjet efficiency diminishes at subsonic speeds or in off-design conditions, constraining acceleration solely to the booster phase and imposing physical bounds on payload-range tradeoffs absent advanced variable-geometry inlets.^[1]^[10]^[4]

Guidance systems and warhead

The HD-1 missile utilizes an inertial navigation system (INS) combined with satellite guidance, such as Beidou or compatible GPS signals, for mid-course trajectory correction and navigation over extended ranges.^[2] ^[10] This hybrid approach enables the missile to maintain course accuracy during the boost and cruise phases, with reported terminal accuracy in the range of 5-10 meters under ideal conditions, though independent verification of these figures remains limited to manufacturer demonstrations.^[2] In the terminal phase, the HD-1 transitions to active radar or infrared imaging seekers to acquire and home in on moving targets, such as ships or land-based assets, facilitating precision strikes against dynamic threats.^[2] ^[10] These seekers support sea-skimming profiles at altitudes as low as 5 meters to reduce radar detectability, but their effectiveness against advanced electronic countermeasures (ECM) in contested environments has not been empirically demonstrated in open-source testing beyond controlled Chinese trials.^[2] The warhead consists of a 200-300 kg payload, typically configured as high-explosive fragmentation or semi-armor-piercing types optimized for anti-ship saturation attacks to overwhelm defenses through kinetic impact and blast effects.^[11] This weight class aligns with the missile's overall launch mass of approximately 2,200-3,000 kg, enabling sufficient destructive power against naval hulls or fortified land targets without compromising supersonic aerodynamics.^[12] ^[11] Warhead fuzing is designed for proximity or impact detonation, though detailed fuze mechanisms and yield optimizations remain proprietary to developer Poly Technologies, with claims derived primarily from exhibition disclosures rather than peer-reviewed analyses.^[11]

Variants

HD-1A

The HD-1A is the air-launched variant of the Chinese HD-1 supersonic cruise missile family, adapted for deployment from fighter aircraft or bombers to enhance standoff strike capabilities against land and maritime targets. Developed by Guangdong Hongda Blasting Co. Ltd. in collaboration with Poly Technologies, it prioritizes aircraft compatibility through a compact design, measuring 5.7 meters in length with a body diameter of 375 mm and a launch weight of approximately 1,200 kg.^[13]^[2] This contrasts with the baseline HD-1's larger 8.3-meter length and 2,200 kg mass, which suit ground or ship-based launchers but limit aerial integration.^[2] Propulsion in the HD-1A employs a solid-fuel rocket booster for initial acceleration post-release, followed by a liquid-fuel ramjet engine sustaining supersonic speeds exceeding Mach 3, enabling rapid target engagement up to 290 km away.^[13]^[14] Optimized for aerial launch, it forgoes the extensive ground booster required by the HD-1, instead capitalizing on the launching platform's altitude and velocity for efficient ramjet ignition and trajectory. Guidance combines an infrared imaging seeker for terminal precision with an inertial navigation system augmented by GPS updates, supporting both anti-ship sea-skimming profiles and land-attack missions.^[2]^[14] Poly Technologies publicly displayed a mockup of the HD-1A at the Defence Services Asia (DSA) 2024 exhibition in Malaysia on May 7, 2024, highlighting its potential for export to air forces seeking advanced supersonic standoff weapons.^[2] As of November 2024, reports from Israeli media, echoed in defense analyses, indicate Egypt is evaluating integration of the HD-1A with its Dassault Rafale fighter jets, potentially addressing perceived limitations in European-supplied munitions amid regional tensions.^[14]^[13] These developments remain unconfirmed by official Egyptian or Chinese statements, reflecting ongoing interest in diversifying missile inventories for platforms like the Rafale.^[14]

HD-1C and others

The HD-1C represents a ground-launched variant of the HD-1 supersonic cruise missile, adapted for land-attack missions through its 240 kg penetration-blast warhead, which is designed to burrow into and detonate within hardened structures such as bunkers or command centers.^[1] This warhead configuration contrasts with the fragmentation-blast type employed in the air-launched HD-1A, prioritizing deep penetration over wide-area effects to enhance effectiveness against fortified terrestrial targets while preserving the baseline missile's ramjet propulsion for sustained Mach 3+ speeds post-boost.^[1] ^[13] Incorporating a solid-fuel booster for initial acceleration to supersonic velocities, the HD-1C supports canister-based vertical launch from transport-erector-launcher vehicles, enabling rapid deployment in coastal or mobile battery setups.^[13] ^[15] Trials for the HD-1C commenced prior to 2022, though full operational details remain classified beyond manufacturer demonstrations.^[15] Beyond the HD-1C, public disclosures indicate modular adaptability in the HD-1 family, allowing substitutions of seekers, warheads, or boosters for specialized roles like enhanced coastal defense or export-tailored configurations, driven by Poly Technologies' marketing efforts rather than confirmed doctrinal variants.^[1] ^[2] Specific details on additional sub-variants, such as cluster or armor-piercing options, are limited to promotional materials from Guangdong Hongda and Poly Technologies, with no independent verification of deployment.^[16]

Operational history and exports

Deployment with Chinese forces

The HD-1 supersonic cruise missile, developed by Guangdong Hongda Blasting Co., Ltd., has not entered confirmed operational service with the People's Liberation Army (PLA) as of October 2025, despite its promotional emphasis as an "aircraft carrier killer." Primarily positioned as an export-oriented system, the HD-1's development focused on international markets, with test firings such as the one conducted on October 15, 2018, serving to demonstrate capabilities to potential foreign buyers rather than for domestic integration.^[3] ^[7] Chinese state media outlets reported the 2018 test as verifying launch, propulsion, and flight control systems over an undisclosed northern China site, but no subsequent announcements or independent observations indicate routine deployment in PLA Rocket Force or Navy coastal batteries.^[7] Lack of sightings in PLA inventory disclosures, military parades—including the September 2025 Victory Day event—or open-source intelligence assessments underscores its absence from frontline units.^[17] Inferred roles in PLA anti-access/area denial (A2/AD) exercises remain speculative, limited to state-affiliated footage simulating anti-ship strikes against carrier groups, without verifiable HD-1 attribution amid China's preference for indigenous systems like the YJ-12 or YJ-18 for such scenarios.^[9] This export prioritization aligns with the developer's strategy to compete with systems like the BrahMos, potentially sidelining domestic adoption due to established PLA alternatives.^[7]

International sales and proliferation

Poly Technologies has promoted the HD-1 family for international export at defense exhibitions, including the display of HD-1 and HD-1A variants at DSA 2024 in Malaysia, targeting countries interested in cost-effective supersonic anti-ship and land-attack capabilities.^[2]^[1] Following the HD-1's 2018 test-fire by Guangdong Hongda Blasting Co., reports indicated potential sales interest from Pakistan and Middle Eastern nations, with the missile positioned as a competitor to systems like the BrahMos due to its Mach 3.5 speed and 290 km range.^[7]^[18] No confirmed transfers to Pakistan have been verified as of 2025. In November 2024, Israeli media reported that Egypt may acquire the HD-1A variant for integration with its Dassault Rafale fighter jets, potentially enhancing long-range strike options with the missile's 290 km range, though the deal remains unconfirmed by official sources.^[13]^[14] These export efforts raise concerns over proliferation in geopolitically volatile regions, given China's non-adherence to Missile Technology Control Regime guidelines and history of advanced missile transfers to states like Pakistan, though no evidence exists of HD-1 diversions to non-state actors.^[19]

Strategic analysis

Claimed capabilities

The HD-1 supersonic cruise missile is advertised by its developer, Guangdong Hongda Blasting Co., as capable of reaching speeds between Mach 2.2 and 3.5, enabling it to penetrate aircraft carrier group defenses through high-velocity approaches combined with low-altitude sea-skimming maneuvers at 4.8 to 9.7 meters above the surface.^[3]^[6] This profile supports saturation attacks by overwhelming radar detection and interception systems, with a reported range of up to 290 km for both anti-ship and land-attack roles.^[4] Chinese reports emphasize the missile's solid-propellant ramjet engine, which requires less fuel than liquid-fueled alternatives in competitors, resulting in a lighter airframe that enhances speed, range, and payload capacity of 240 to 400 kg for unitary or submunition warheads.^[20] A 2018 test verified the integration of launch, propulsion, and flight-control systems, with state media highlighting its potential for rapid strikes arriving at targets within minutes.^[3] The system's versatility extends to dual land- and sea-target engagement from mobile transporter-erector-launchers, positioning it as an export-oriented option for precision strikes against naval assets or coastal infrastructure at minimal altitudes of 5 to 10 meters to evade defenses.^[1]^[10]

Criticisms and limitations

The HD-1 missile has not undergone combat validation, with all reported performance data derived from controlled tests conducted by its developer, Guangdong Hongda Blasting Co., such as the October 15, 2018, launch that verified basic systems like power and flight control but lacked independent oversight or real-world adversarial conditions.^[3]^[5] These tests, performed in isolation, cannot replicate dynamic scenarios involving electronic warfare, decoys, or evasive maneuvers, rendering claims of precision and reliability speculative absent empirical combat evidence.^[4] Its solid-propellant ramjet propulsion, while enabling supersonic speeds of Mach 2.2–3.5, exhibits inherent inefficiencies at sub-supersonic regimes, necessitating a booster for initial acceleration and limiting operational flexibility during terminal maneuvers or against low-altitude sea-skimming profiles where airflow disruption can degrade thrust.^[12] Ramjet engines are also vulnerable to jamming of active radar seekers, as sustained high-speed flight amplifies susceptibility to electronic countermeasures that disrupt guidance signals without requiring physical interception.^[21] Advanced naval defenses undermine the HD-1's purported ability to evade interception, as systems like the U.S. Aegis combat suite paired with SM-6 missiles are engineered to engage supersonic threats at Mach 3+ velocities, exploiting the missile's predictable trajectory post-boost despite its speed advantage. Electronic warfare capabilities further erode effectiveness by spoofing radar returns or saturating seekers with noise, a tactic proven against similar ramjet-powered missiles in exercises.^[22] Developed by a firm originating in mining and blasting operations rather than established aerospace entities, the HD-1 reflects opaque origins that raise questions about technological maturity, potentially relying on reverse-engineered components amid limited transparency on integration with secure command networks.^[6] Its emphasis on export marketing, including displays at events like IDEX 2023 and DSA 2024, suggests it holds secondary status within People's Liberation Army priorities, prioritizing foreign sales over rigorous domestic validation.^[1]^[2]

Comparisons and implications

The HD-1 exhibits operational parallels with the BrahMos supersonic cruise missile, both attaining speeds of Mach 2.8–3.5 and ranges around 290 km for anti-ship roles.^[3] The HD-1's reported launch weight of 2,200 kg is lighter than the BrahMos's 3,000 kg for ship-based variants, which may enable integration on smaller platforms or reduced logistical demands, though Chinese promotional materials emphasize unspecified efficiency gains in fuel use without independent verification.^[2]^[7] In contrast, the BrahMos draws on collaborative Indo-Russian engineering with over two decades of flight tests and serial production across air, sea, and land variants, providing a track record absent in the HD-1's single public demonstration in 2018. Export of the HD-1 bolsters China's role in supplying anti-access/area denial (A2/AD) capabilities to Indo-Pacific recipients, facilitating asymmetric challenges to superior naval forces in contested littorals like the South China Sea.^[23] This proliferation vector could incrementally favor revisionist postures by lowering barriers to precision strikes on carrier groups, as sea-skimming profiles at 5–10 meters complicate radar detection.^[10] Yet regional dynamics reveal countermeasures advancing apace: integrated air defense networks, such as those employing SM-6 interceptors and electronic warfare suites, have demonstrated feasibility against supersonic threats in exercises, underscoring that missile asymmetries erode as detection algorithms and hypersonic defenses mature.^[24]^[25] Supersonic systems like the HD-1 inherently shorten engagement timelines to under five minutes at terminal phases, compressing decision cycles in fleet defense.^[26] Empirical analyses of analogous threats, however, affirm vulnerabilities to layered defenses including decoys, jamming, and kinetic intercepts, with no evidence of inherent invincibility despite manufacturer assertions.^[9] Evaluations of proliferation thus warrant emphasis on corroborated intercept rates and system integration over anecdotal range claims, as defensive innovations—evident in U.S. Navy adaptations since 2020—outpace isolated offensive exports in sustaining deterrence equilibria.^[27]

References

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Chinese Poly Technologies unveils new details on its HD-1 ...
Mar 8, 2022 · The missile has a diameter of 375 mm, weighs 1,200 kg, and is 5.7 meters long. Starting from the back we find the solid-propellant ramjet, which ...
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DSA 2024: China Displays HD-1 and HD-1A Supersonic Missile in ...
May 7, 2024 · This missile has a launch mass of 2,200 kg and measures 8.3 meters in length with a body diameter of 0.375 meters. It is capable of carrying a ...
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China Test Fires HD-1 Supersonic Cruise Missile
Oct 18, 2018 · Detailed at Airshow China 2018, the HD-1 has a range of up to 290 km, a speed of 0.75-1.2 km/s, and a sea-skimming altitude range of 4.8-9.7 m.
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China: HD-1 supersonic cruise missile tested by Hongda Blasting ...
Oct 22, 2018 · Guangdong Hongda Blasting Company has not designed and manufactured missiles prior to the HD-1. Total company investment into the HD-1 program ...Missing: origins | Show results with:origins
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China Test Fires Supersonic Cruise Missile - The Diplomat
Oct 15, 2018 · China-based Guangdong Hongda Blasting Company announced on October 15 that it has successfully test-launched a new supersonic cruise missile, designated HD-1.Missing: origins | Show results with:origins
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Chinese Mining Firm turns Cruise Missile Developer
Jan 3, 2019 · Guangdong Hongda Blasting Company announced that it had successfully launched and tested a supersonic cruise missile called the HD-1.Missing: origins | Show results with:origins
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Oct 18, 2018 · The test at a still-unknown location in northern China verified the launch, power and flight-control systems of a missile codenamed HD-1, ...
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Nov 6, 2018 · China reveals short-range anti-ship ballistic missile designed to dodge enemy defenses. The Chinese have their own plans to use the missiles on land and at sea.
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It weighs between 2,500 kg and 3,000 kg, has a length of about 8.4 meters with a warhead of about 200-300 kg. According to the Beijing-based military analyst, ...
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Nov 21, 2024 · The HD-1A measures 5.7 meters in length, with a diameter of 375 mm, and has a launch weight of approximately 1,200 kg. Its propulsion system ...<|separator|>
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fell off the radar, and now Poly Technologies is touting its HD-1 series for export. These have a claimed. Mach 3.5 top speed and 290km range. The ramjet ...
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Rating 5.0 (1) The 240kg level overall slow penetration warhead, the overall kill and explosion warhead, the overall blast warhead, and the kill and destroy armor and child ...
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Sep 4, 2025 · The JL-1 air-launched ballistic missile for the H-6N bomber was displayed in the 2025 parade for the first time. This is likely the air-launched ...<|control11|><|separator|>
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Oct 17, 2018 · The company intends to sign deals and mass-produce the HD-1 for export after government approval. “Pakistan and Middle Eastern countries are ...
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Mar 22, 2018 · China has sold Pakistan an advanced tracking system that could boost Islamabad's efforts to improve ballistic missiles capable of delivering multiple warheads.Missing: HD- 1 export<|separator|>
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Oct 17, 2018 · Hongda independently invested in and developed the HD-1 missile, the statement said. Wei said the mining company's move to build and test a ...Missing: origins | Show results with:origins
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Countermeasures and defenses · reduction of their radar cross section (RCS) and hence radar signature. · limiting the ship's infrared and acoustic signature.Missing: HD- | Show results with:HD-
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To address these issues, this paper constructs a missile route planning model in an electronic countermeasure environment. Thus, we propose a route planning ...
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Jun 18, 2022 · Has the proliferation and development of new missile technologies by China and North Korea affected regional stability and the national security ...Missing: HD- 1
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The full extent of the security implications of this technology are not yet clear. What is clear, however, is that its unique characteristics mean that regional ...Missing: HD- | Show results with:HD-
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https://nationalsecurityjournal.org/china-is-trying-to-turn-the-indo-pacific-into-a-giant-u-s-navy-no-go-zone/