Army Tactical Missile System

Army Tactical Missile System is a long-range, surface-to-surface tactical ballistic missile developed for the United States Army. Designed to be fired from the M270 MLRS and later the M142 HIMARS platforms, it provides deep-strike capability against high-value targets like command centers, air defense systems, and logistics hubs. Its introduction marked a significant enhancement in the U.S. Army's field artillery reach and precision.

Development and history

The program originated in the 1980s under the Reagan administration's broader military modernization efforts, seeking a new conventional deterrent for NATO forces in Europe. The prime contract was awarded to LTV's Missiles Division, with development focused on creating a missile compatible with existing M270 MLRS launcher pods. Initial operational capability was achieved in 1991, with first use occurring during Operation Desert Storm. Subsequent evolution has been managed by Lockheed Martin following its acquisition of LTV's defense assets, with ongoing upgrades to guidance, warheads, and range in response to lessons from conflicts like the Iraq War and the War in Afghanistan.

Design and variants

The system is a solid-fueled, single-stage missile utilizing a M270 MLRS launch pod, with one missile occupying the space of six standard M26 rockets. Early variants like the MGM-140A used a inertial guidance system to deliver a cluster munition warhead. The MGM-140B introduced a GPS-aided inertial navigation system for improved accuracy. Major block upgrades include the MGM-140E (Unitary) with a 500-pound WDU-18/B penetrating high-explosive warhead for point targets, and the latest M57 (ATACMS T2K) with a longer range and improved submunitions. The most recent variant, the MGM-168 ATACMS MS (Missile Segment Enhancement), was developed but later canceled in favor of the Precision Strike Missile program.

Operational use

The missile saw its combat debut in 1991 during the Battle of Khafji, fired by the U.S. 7th Corps to disrupt Iraqi Republican Guard formations. It was used extensively during the 2003 invasion of Iraq, notably in opening strikes against targets in Baghdad. The system has also been employed by the United States Marine Corps in support of operations in Afghanistan. In 2023, the United States began transferring older M39/M39A1 variant missiles to the Armed Forces of Ukraine for use against Russian Armed Forces targets, with confirmed deployments on the Eastern Front and in the Battle of the Siverskyi Donets.

Capabilities and specifications

The missile's range has evolved from approximately 165 kilometers in early models to over 300 kilometers in later Block IVA unitary variants. It employs a sophisticated guidance package combining a Honeywell ring laser gyroscope with a Rockwell Collins GPS receiver, achieving a published Circular Error Probable of less than 10 meters. Warhead options have included the M74 anti-personnel/anti-materiel submunitions, the Brilliant Anti-Tank submunitions, and the unitary WDU-18/B blast-fragmentation warhead. The launch platforms, the M270 MLRS and M142 HIMARS, provide high mobility and a shoot-and-scoot capability to enhance survivability.

Operators and deployment

The primary operator is the United States Army, with systems fielded by its field artillery battalions. The United States Marine Corps also operated a limited number of systems until retiring them in the 2010s. Key international operators have included the South Korean Army, the Turkish Land Forces, and the Hellenic Army. Bahrain, Greece, Poland, Qatar, Romania, and United Arab Emirates have also been approved for purchases through the U.S. Foreign Military Sales program. In 2023, the system entered service with the Armed Forces of Ukraine, significantly impacting the battlefield dynamics in the Russo-Ukrainian War.

Category:Surface-to-surface missiles of the United States Category:Tactical ballistic missiles Category:Military equipment introduced in the 1990s