GMLRS guided rocket

GMLRS is the GPS-aided, inertial-guided 227 mm rocket family fired from HIMARS and M270 launchers. In Operation Inherent Resolve it appears as the precision rocket munition behind U.S. coalition HIMARS fires, including documented rocket strikes supporting Iraqi and Syrian partner forces and later CJTF-OIR live-fire activity in Northeast Syria.

Operation Inherent ResolveU.S.-led coalition and partner forces

Conflict side: U.S.-led coalition and partner forces
Built by: Lockheed Martin Missiles and Fire Control
Built in: United States

GMLRS guided rocket, 227 mm guided artillery rocket, Munitions

Image source: Rocket Launched During Training Exercise

Profile

Type: 227 mm guided artillery rocket
Conflict side: U.S.-led coalition and partner forces
Origin: United States
Service note: 2005-present service family; documented in Operation Inherent Resolve with U.S. HIMARS units

NATO precision fires rocket artillerygps-guidedhimars

Service History

In service: In U.S. service from the mid-2000s; compatible with HIMARS and M270-family launchers
Used by: United States Army, U.S.-led coalition forces
Wars: Operation Inherent Resolve

Production History

Designer: Lockheed Martin
Designed: 1990s-2000s development family
Built by: Lockheed Martin Missiles and Fire Control
Built in: United States
Unit cost: Varies by lot and variant
Produced: 2000s-present
Number built: Tens of thousands produced across GMLRS variants
Variants: M30A1/A2 GMLRS Alternative Warhead, M31A1/A2 GMLRS Unitary, Extended-Range GMLRS

Specifications

Caliber: 227 mm rocket family
Guidance: GPS-aided inertial guidance
Launch platforms: M142 HIMARS and M270-family MLRS launchers
Standard range: More than 70 km for standard GMLRS variants
Extended range: ER GMLRS class is designed for about 150 km
Warhead options: Unitary high-explosive and alternative-warhead fragmentation variants
Pod load: Six GMLRS rockets per launch pod

Conflict Usage

Operation Inherent Resolve: Side: U.S.-led coalition and partner forcesRole: Rocket artillery precision firesprecision fires strike
U.S. Army HIMARS units in Operation Inherent Resolve fired rockets in support of Iraqi and Syrian partner-force operations, and 2024 CJTF-OIR imagery directly identifies GMLRS rockets being fired and loaded from HIMARS in Northeast Syria.

GMLRS guided rocket Images

GMLRS guided rocket, 227 mm guided artillery rocket, Munitions - view 1 — Source: Rocket Launched During Training Exercise

GMLRS guided rocket, 227 mm guided artillery rocket, Munitions - view 2 — Source: Rocket Launched During Training Exercise

GMLRS guided rocket, 227 mm guided artillery rocket, Munitions - view 3 — Source: Rocket Launched During Training Exercise

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Sources

Lockheed Martin GMLRS Product PagePublisher: Lockheed Martin | Note: Supports manufacturer, launcher compatibility, pod load, and GMLRS family background. | Accessed: 2026-06-22 DOT&E FY2014 GMLRS-AW ReportPublisher: Director, Operational Test and Evaluation | Note: Supports GMLRS-AW guidance, range, launcher compatibility, warhead, contractor, and accuracy context. | Accessed: 2026-06-22 Army ER GMLRS QualificationPublisher: U.S. Army | Note: Supports Extended-Range GMLRS range class and compatibility with HIMARS and M270A2 platforms. | Accessed: 2026-06-22 High Mobility Rocket System StrikePublisher: Combined Joint Task Force - Operation Inherent Resolve | Note: Supports Operation Inherent Resolve direct use: U.S. Army HIMARS units fired rockets as they assisted Iraqi Security Forces advancing on Mosul. | Accessed: 2026-06-22 U.S. Army Soldiers Conduct Rocket Strikes Against ISIS in SyriaPublisher: DVIDS | Note: Supports Operation Inherent Resolve direct use: U.S. Army HIMARS units fired for Syrian Democratic Forces partners in Syria. | Accessed: 2026-06-22 Rocket Launched During Training ExercisePublisher: DVIDS | Note: Supports Operation Inherent Resolve direct use: U.S. Army soldiers fired a GMLRS rocket from HIMARS in Northeast Syria while deployed in support of CJTF-OIR; also supports public-domain image provenance. | Accessed: 2026-06-22 Soldiers Load GMLRS RocketsPublisher: DVIDS | Note: Supports Operation Inherent Resolve direct use: U.S. Army soldiers loaded GMLRS rockets on a HIMARS in Northeast Syria; also supports public-domain image provenance. | Accessed: 2026-06-22 HIMARS Rocket LaunchPublisher: DVIDS | Note: Supports Operation Inherent Resolve direct use: U.S. Army soldiers fired a GMLRS rocket from HIMARS while deployed in support of CJTF-OIR; also supports public-domain image provenance. | Accessed: 2026-06-22