This Technical Manual Change 4 for TM 5-9540 covers updates to the Mine Detecting Set manual and is dated July 1956. This change was issued for the original TM 5-9540 manual dated July 3, 1952, making it a strong period piece for collectors of U.S. Army technical manuals, engineer equipment references, early Cold War military publications, and dated government document updates.
As a change notice to the original manual, this publication reflects the way U.S. Army technical literature was maintained, revised, and supplemented after initial issue. Manual changes like this were official working documents, intended to keep field and support references current for the equipment they covered. That makes this item especially useful for collectors, historians, researchers, and archivists looking for authentic military reference material connected to mine-detection equipment and combat engineer support.
The Mine Detecting Set
The Mine Detecting Set belongs to the broader family of military engineer, route-clearance, and field-support equipment. As identified by its nomenclature, it was associated with the detection of buried mines and related metallic hazards, placing it squarely in the support side of Army operations rather than in the category of conventional weapons or combat vehicles.
Equipment in this class was essential to mobility and survivability in the field. Mine detecting gear supported engineer units and other personnel tasked with clearing routes, working through obstacle areas, and reducing the danger posed by buried explosive threats. That makes documentation connected to this equipment especially interesting from a historical standpoint. Instead of documenting a weapon system directly, it preserves the technical side of the equipment that helped keep troops, vehicles, and supply routes moving.
For collectors, that gives this manual change added appeal. It represents the practical engineer and survivability side of Army operations and fits especially well in collections focused on mine warfare, combat engineering, route clearance, Korean War-era manuals, and early Cold War support equipment.
What This Manual Change Covers
As Change 4 for the Mine Detecting Set technical manual, this publication would have served as an official Army update to TM 5-9540, originally dated July 1952.
In practical terms, a manual change like this is especially relevant for:
That makes it useful not only as a collectible, but also as a practical reference for anyone studying how the Army updated and maintained technical documentation for mine-detection equipment during the 1950s.
Historical Significance
The original manual date of July 1952 places TM 5-9540 in the Korean War period, while the July 26, 1956 issue date of this Change 4 update places this document in the early Cold War era. Together, these dates show how U.S. Army technical publications continued to evolve after the original manual was issued.
During this period, the U.S. military maintained extensive technical literature covering not only weapons and vehicles, but also the support equipment required to sustain mobility in hostile terrain. Manual changes like this reflect a period when Army documentation extended into every part of the combat-support chain, including mine detection, route clearance, engineer tools, and field-support systems.
For collectors and historians, this manual change is especially relevant to subjects such as:
Because it relates to a specialized mine-detecting set rather than a more common tactical vehicle or weapon system, it also adds variety and strong historical depth to collections that already include standard ordnance, maintenance, or field equipment manuals.
About This Manual Change
This listing is for Technical Manual Change 4 for TM 5-9540, covering the Mine Detecting Set manual dated July 1952. This change notice was issued July 26, 1956.
It is especially well suited for:
Because manuals and manual changes were working documents, surviving examples are valued not only for their content, but also for their connection to real military training, maintenance, revision, and field-support practice.
Why This Manual Change Matters
Many military manuals focus on rifles, vehicles, artillery, or communications gear. This one documents a different but equally important subject: the technical support literature connected to equipment used to detect hidden explosive hazards and help maintain battlefield mobility. That makes it especially useful for collectors who want to preserve the broader technical and logistical picture of Army operations rather than only front-line combat hardware.
For collectors, it is a strong dated 1950s manual change with a specialized subject focus. For researchers, it offers a useful reference point for Army mine-detection documentation and technical manual revision history. For museums, it helps explain the behind-the-scenes systems that supported safe movement, route clearance, and field engineering operations.
Ideal For
This manual change is a strong fit for:
Approx length 9", Approx width 6", Approx height .1", Approx weight .2lbs.
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