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Redstone Arsenal Today
By the People, for the People
Army Unveils Next-Gen PrSM Missile with 1,000km+ Range
Industry Day announced for Precision Strike Missile Increment 4 program, featuring GPS-independent targeting and HIMARS compatibility.
Published on Feb. 23, 2026
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The U.S. Army is aggressively pursuing advancements in long-range precision strike capabilities, exemplified by the recent announcement of an Industry Day for the Precision Strike Missile (PrSM) Increment 4 program. This initiative signals a pivotal shift in how the Army envisions future battlefield operations, moving towards systems capable of engaging targets at extended ranges, even in contested environments.
Why it matters
A core requirement of PrSM Increment 4 is independence from GPS guidance, reflecting a growing recognition of the vulnerability of satellite navigation systems in modern warfare. The ability to operate effectively without GPS is becoming a critical factor in maintaining a technological edge. The extended 1,000km+ range also dramatically expands the reach of land-based fires, allowing forces to neutralize threats before they can be brought to bear.
The details
The PrSM Increment 4 program specifically targets compatibility with the High Mobility Artillery Rocket System (HIMARS), ensuring a rapid integration path for the latest missile. The Army's emphasis on a Modular Open Systems Approach (MOSA) promotes the use of open standards and interfaces, preventing vendor lock-in and enabling rapid technology upgrades. The program is structured in four phases, with a competitive fly-off scheduled for the fourth quarter of fiscal year 2028 and potential for a follow-on production award without additional competition.
- The upcoming Industry Day at Redstone Arsenal, Alabama, is scheduled for March 2026.
- The competitive fly-off for PrSM Increment 4 is planned for the fourth quarter of fiscal year 2028.
The players
U.S. Army
The U.S. Army is the land-based branch of the United States Armed Forces, responsible for developing and procuring advanced military capabilities like the PrSM missile.
High Mobility Artillery Rocket System (HIMARS)
A wheeled launcher capable of firing a variety of munitions, including the PrSM missile.
Modular Open Systems Approach (MOSA)
A design philosophy that promotes interoperability and adaptability through the use of open standards, enabling rapid technology upgrades.
What’s next
The competitive fly-off for PrSM Increment 4 is scheduled for the fourth quarter of fiscal year 2028, which will be a critical milestone in the program's development.
The takeaway
The Army's pursuit of the PrSM Increment 4 program reflects a broader shift towards long-range precision strike capabilities that can operate effectively in contested environments, reducing reliance on vulnerable GPS systems. This technological advancement has significant implications for future battlefield operations and the ability to neutralize threats at extended ranges.

