PrSM

America's next-generation tactical ballistic missile — a HIMARS/MLRS-fired deep-strike weapon that doubles ATACMS reach, adds an anti-ship capability, and made its combat debut against Iran in 2026.

Overview

The Precision Strike Missile (PrSM, pronounced "PRI-zim") is a surface-to-surface tactical ballistic missile developed for the US Army as the successor to the MGM-140 ATACMS. Fired from the same M142 HIMARS and M270A2 MLRS launchers, PrSM roughly doubles the range of its predecessor while fitting two missiles per pod where ATACMS carried one — yielding a substantial magazine advantage on every launcher. Increment 1 entered operational service in 2025, and the system saw its first combat employment in March 2026 during Operation Epic Fury against Iran. Later increments are expanding the envelope to moving maritime targets, modular payloads, and ranges exceeding 1,000 km, making PrSM the centerpiece of the Army's long-range precision fires modernization.

Development

The Precision Strike Missile originated from the US Army's Long Range Precision Fires (LRPF) requirement, launched to replace the aging ATACMS inventory. Lockheed Martin, Boeing, and Raytheon each announced bids in March 2016, but both competitors withdrew by early 2020, leaving Lockheed as the sole developer, according to Wikipedia. The first prototype flight test took place on 10 December 2019 at White Sands Missile Range, and the US withdrawal from the Intermediate-Range Nuclear Forces (INF) Treaty later that year lifted the 499 km range cap that had originally constrained the design, opening the path to extended ranges.

First missiles were delivered to the Army on 8 December 2023, with 26 rounds following in 2024 and 54 more planned for 2025 as the ATACMS production line — which shares a facility with PrSM — wound down, per Defense News. Increment 1 achieved Milestone C (production and deployment authorization) on 2 July 2025, and the Army laid plans for a 400-missile production contract later that year. In March 2026, Lockheed Martin and the Department of War signed a seven-year framework agreement to quadruple production capacity toward 550 missiles per year, as reported by Lockheed Martin. Australia joined the program as an Increment 2 cooperative partner in 2021, committed to Increments 3 and 4 in January 2024, and signed a production, sustainment, and follow-on development memorandum of understanding on 6 June 2025, according to the Australian Department of Defence.

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