VOLUME I Multinational Maritime Tactical Instructions and Procedures

weapon danger zone. In ASW operations, an area in which friendly units may be endangered by a
friendly ASW weapon. The area comprising the weapon danger zone is based upon the type of
weapon, method of employment, run pattern of a properly operating weapon, and estimated acquisition
range. Upon launch of an ASW torpedo, this area may be designated a DOGBOX.
weapon release point. The point where a single weapon or the first weapon fired on a pattern is released
so that it enters the water at the splash point. For aircraft attacks, it allows for the aircraft’s
direction, speed, and altitude of approach, and the characteristics of the weapon.
weapon(s) system. A weapon and those components required for its operation.
wheel. A maneuver to alter course in such a manner that all ships will be in their former relative positions
on completion of the maneuver.
X
MTP 1(D), Vol. I
XX.
The standard position in the force established by the OTC on which a search, enemy reporting,
and so forth, is to be based.
Y
YY.
The standard position in the force for the present position of the addressee of a message.
Z
zero time. The exact hour immediately preceding the time of execution of a tactical action or maneuver
from which time measurement is recorded and reported in minutes. (If the time of execution
is exactly an hour, that time will be zero time.)
ZIPPO plan. A plan which provides for preplanned reactions to various maritime warfare threats.
ZZ.
The standard position in the force for the center of the force (not to be used in a convoy).
Glossary-26 CHANGE 1