Hwasong-17
Specifications
| Designation | Hwasong-17 |
| Also Known As | Monster Missile, KN-28 |
| Type | Heavy intercontinental ballistic missile (ICBM) |
| Manufacturer | North Korea — Academy of National Defence Science |
| Operators | North Korea |
| Length | 26 m |
| Diameter | 2.7 m |
| Weight | 110000 kg |
| Range | 15000 km |
| Speed | Mach 22+ |
| Max Altitude | 6248 km |
| Guidance | Inertial guidance system with potential for a post-boost vehicle (PBV) for MIRV deployment |
| Warhead | Multiple nuclear warheads (MIRV capable, estimated 3-4 reentry vehicles) or a single large nuclear warhead |
| Propulsion | Liquid-fueled, two-stage rocket engine system |
| First Tested | 2022 |
| First Deployed | 2022 |
| Unit Cost | Unknown (estimated $50-100M) |
Overview
The Hwasong-17 is North Korea's largest and most advanced intercontinental ballistic missile (ICBM), first publicly displayed in October 2020 and successfully tested in March 2022. Dubbed the 'Monster Missile,' it represents a significant leap in Pyongyang's strategic capabilities, primarily due to its potential to carry multiple independently targetable reentry vehicles (MIRVs). With an estimated range exceeding 15,000 km, the Hwasong-17 can theoretically reach the entire continental United States. Its development underscores North Korea's commitment to building a credible nuclear deterrent, posing a complex challenge to regional and global missile defense architectures and escalating strategic tensions in the Coalition vs Iran Axis conflict context by demonstrating advanced proliferation capabilities.
Development History
The Hwasong-17's development was first revealed during a military parade on October 10, 2020, where it was showcased on an unprecedented 11-axle transporter-erector-launcher (TEL). This public display immediately signaled a new class of North Korean ICBM. Following several reported failed tests, the missile achieved its first successful flight on March 24, 2022, launched from Pyongyang International Airport. This test demonstrated a lofted trajectory, reaching an apogee of 6,248 km and flying 1,090 km, confirming its intercontinental range capability. A second successful test occurred on November 18, 2022, further validating its performance. The rapid progression from display to successful testing within two years highlights a concentrated effort by the Academy of National Defence Science to accelerate its strategic weapons program, aiming to solidify North Korea's position as a nuclear power capable of threatening distant targets.
Technical Deep Dive
The Hwasong-17 is a two-stage, liquid-fueled ICBM, distinguished by its massive size and the colossal 11-axle TEL required for its transport and erection. Its first stage is believed to be powered by four engines, likely based on the Hwasong-15's design, while the second stage uses a single engine. The missile's large diameter, estimated at 2.7 meters, provides substantial throw-weight, enabling it to carry a heavy payload. This throw-weight is critical for MIRV capability, allowing the missile to deploy multiple nuclear warheads, each targeting a different location. The Hwasong-17's guidance system relies on inertial navigation, potentially augmented by a post-boost vehicle (PBV) for precise warhead deployment. Its ability to achieve extreme altitudes on lofted trajectories demonstrates its potential for a flatter, more direct trajectory to continental U.S. targets, complicating interception by existing missile defense systems designed for lower-flying threats.
Combat Record
Tactical Role
The Hwasong-17's primary tactical role is to serve as a strategic nuclear deterrent, capable of threatening targets across the continental United States. Its potential MIRV capability aims to overwhelm existing ballistic missile defense systems, ensuring that a portion of its warheads can penetrate defenses and reach their intended targets. This capability significantly enhances North Korea's second-strike potential, making any pre-emptive strike against its nuclear forces a far riskier proposition. Furthermore, its road-mobile nature, despite the TEL's size, provides some degree of survivability against initial attacks, allowing for dispersal and launch from unexpected locations, thereby complicating adversary targeting efforts and bolstering its deterrent posture.
Strengths & Weaknesses
Variants
| Variant | Differences | Status |
|---|---|---|
| Hwasong-17 (Standard) | The baseline heavy intercontinental ballistic missile, as displayed and tested, featuring a two-stage liquid-fueled design and an 11-axle TEL. | Operational/Limited Deployment |
| N/A | No publicly confirmed variants or modifications of the Hwasong-17 have been identified to date. | N/A |
Countermeasures
Countering the Hwasong-17 primarily involves a multi-layered approach to missile defense and intelligence. The U.S. Ground-based Midcourse Defense (GMD) system is designed to intercept ICBMs in their midcourse phase, while regional systems like THAAD and Aegis Ballistic Missile Defense could potentially engage if the missile's trajectory allows. However, the Hwasong-17's potential MIRV capability complicates these defenses by presenting multiple targets. Therefore, pre-emptive intelligence, surveillance, and reconnaissance (ISR) to detect and track the missile and its TEL during its vulnerable fueling and preparation phases are critical. Disrupting the launch sequence or targeting the TEL before launch remains a high-priority countermeasure, alongside developing advanced interceptors capable of discriminating between warheads and decoys.
Analysis
Conflict Impact
The Hwasong-17 significantly alters the strategic calculus in the Coalition vs Iran Axis conflict by demonstrating North Korea's advanced nuclear capabilities. While not directly involved in the Iran conflict, its existence strengthens the DPRK's position as a nuclear power, potentially influencing other state actors' proliferation ambitions. For the U.S. and its allies, the Hwasong-17's MIRV potential represents a substantial challenge to existing missile defense systems, demanding re-evaluation of defense postures and investment in next-generation interceptors. This missile reinforces North Korea's leverage in international negotiations and complicates efforts to denuclearize the Korean Peninsula, indirectly impacting global stability and regional power dynamics.
Future Outlook
The future outlook for the Hwasong-17 likely involves continued refinement of its operational capabilities, including efforts to enhance its MIRV deployment mechanisms and improve its readiness. North Korea may also pursue solid-fuel variants of its ICBMs to reduce pre-launch vulnerability, though adapting the Hwasong-17's massive payload to solid fuel presents significant engineering challenges. Further tests are anticipated to validate these advancements and demonstrate increased reliability. The missile's development will continue to drive a regional arms race, prompting South Korea, Japan, and the U.S. to invest further in advanced missile defense and counter-proliferation technologies, ensuring the Hwasong-17 remains a focal point of strategic intelligence and defense planning.
Analyst Assessment
The Hwasong-17 is a formidable strategic asset for North Korea, representing a credible threat to the U.S. homeland. Its MIRV potential and extreme range significantly complicate missile defense, demanding robust countermeasures and diplomatic engagement. It solidifies North Korea's nuclear deterrent, but its operational vulnerabilities remain a key target for adversary intelligence.
Frequently Asked Questions
What is the Hwasong-17 missile?
The Hwasong-17 is North Korea's largest and most advanced intercontinental ballistic missile (ICBM), first displayed in 2020 and successfully tested in 2022. It is notable for its immense size, long range, and potential to carry multiple nuclear warheads (MIRVs).
How far can the Hwasong-17 travel?
The Hwasong-17 has an estimated maximum range exceeding 15,000 kilometers (9,300 miles). This range allows it to theoretically reach any target across the continental United States when launched on a standard trajectory.
Is the Hwasong-17 MIRV capable?
Yes, the Hwasong-17 is widely assessed by intelligence agencies and defense analysts to be potentially MIRV-capable. Its large throw-weight suggests it can carry multiple independently targetable reentry vehicles, possibly 3-4, which would significantly complicate missile defense.
When was the Hwasong-17 first tested?
The Hwasong-17 was first successfully flight-tested on March 24, 2022. This test involved a lofted trajectory, reaching an altitude of 6,248 kilometers and flying 1,090 kilometers before landing in the Sea of Japan.
What is the significance of the Hwasong-17?
The Hwasong-17's significance lies in its ability to enhance North Korea's nuclear deterrent by posing a credible threat to the entire U.S. homeland with potentially multiple warheads. It represents a major technological advancement for Pyongyang, challenging existing missile defense systems and escalating regional and global strategic tensions.