TM 9-1330-200-11/OP 3833 1st Rev. Vol 2, CH-2 TM 1330-12/1A CH2
DESTRUCTION OF GRENADES TO PREVENT ENEMY USE
5-1. General
(1) General.
Packed and unpacked HE
grenades, fuzes, and accessories may be destroyed by
a. Destruction of grenades subject to capture or
placing them in piles and detonating them with
abandonment will be undertaken by the using arm only
demolition charges, using 1-pound TNT blocks or
when, in the judgment of the unit commander
equivalent, together with the necessary detonating cord
concerned, such action is necessary in accordance with
to make up each charge.
orders of, or policy established by, the Army
commander.
(2) Method of destruction.
b. The information which follows is for guidance
NOTE
only. The conditions under which destruction will be
One hundred pounds of packed HE
effected are command decisions and may vary in each
grenades
require
a
2-pound
case, depending upon a number of factors, such as the
demolition
charge
to
assure
tactical situation, security classification, the quantity and
complete detonation of the pile. For
location of grenades; facilities for accomplishing
unpacked HE grenades, a 1-pound
destruction, and time.
In general, destruction of
demolition charge is sufficient.
grenades can be accomplished most effectively by
(a) Prepare the demolition charge
burning or detonation, or a combination of these
(using the required TNT blocks together with the
methods. However, selection of the particular method
necessary detonating cord per charge) and place the
of destruction requires imagination and resourcefulness
charges, as necessary, on the pile to be detonated.
in the utilization of the facilities at hand under the
(b) Provide for dual priming to
existing conditions. Time is usually critical.
minimize the possibility of a misfire. For priming, either
c. If destruction to prevent enemy use is resorted
a nonelectric blasting cap crimped to at least 5 feet of
to, grenades and their components must be so badly
time blasting fuse or an electric blasting cap and firing
damaged that they cannot be restored to a useable
wire may be used. Time blasting fuse, which contains
condition in the combat zone. Equally important, the
black powder, and blasting cap must be protected from
same essential components of all grenades must be
moisture at all times.
destroyed so that the enemy cannot assemble complete
WARNING
rounds from undamaged components of several
Each roll of fuse must be tested
damaged complete rounds.
shortly before use. The burning rate
d. If destruction of grenades is directed, due
of safety fuses varies under different
consideration should be given to the following:
atmospheric
and/or
climatic
(1) Selection of a site (for the destruction
conditions; from a burning time of 30
operation) that will cause greatest obstruction to enemy
seconds or less per foot to 45
movement and also prevent hazard to friendly troops
seconds or more per foot.
from fragments incidental to the destruction.
Time blasting fuse may be ignited by a blasting fuse
(2) Observance
of
appropriate
safety
igniter or an ordinary match; the electric blasting cap
precautions.
requires a blasting machine or equivalent source of
5-2. Methods
Grenades can be most quickly destroyed by burning or
WARNING
detonation.
The following methods, in order of
Blasting caps, detonating cord, and
preference, are considered the most satisfactory for
time
destruction of grenades to prevent enemy use:
a. Method No. 1-by Detonation.
