Figure 12-13.--The M18A1 antipersonnel mine (Claymore).
A pull-action mine is one that is detonated by the
the Naval Construction Force (NCF). Personnel who
encounter other types of mines should not attempt to
pull on a trip wire, stretched where enemy personnel or
disarm or use them or handle them in any manner. When
vehicles may contact it. A pull-action mine is usually a
located in the field, you should mark the mines clearly
pressure mine. Whether it is used as a pull-action or
and furnish their locations to the battalion security
pressure mine depends on whether or not the ground
officer or authorized ordnance disposal personnel.
surface makes the concealment of a trip wire possible.
For pressure installation, bury the mine with the top
M18A1 CLAYMORE MINE
of the fuze flush with the ground surface and only the
prongs protruding above it. Install the trip wire with the
The Ml8A1 Claymore mine, currently the only
top cap of the fuze and the prongs protruding above the
mine authorized for use by the Seabees, is used only as
surface. Run trip wires from the fuze cap to stakes or
an electrically controlled, one-shot weapon. It is used
other anchorages, in feasible directions.
for support of other weapons used in the final protective
An electrical-action mine can be exploded by a
fire of the unit.
remote-control firing device of the type used for blasting
The M18A1 antipersonnel mine (fig. 12-13) was
in construction.
standardized in 1960. It is a directional, fixed-
Except for the M18A1 antipersonnel mine
fragmentation mine and is designed primarily for use
described below, mines are NOT authorized for use by
against massed infantry attacks. The Claymore mine is
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