VOLUME I Multinational Maritime Tactical Instructions and Procedures

tactical diameter. The distance along the perpendicular between the path of a ship on the original
course and the path of the same ship when steadied on an opposite course after turning through
180º with a constant rudder angle.
tactical doctrine. The fundamental principles guiding the application of tactics.
tactical instructions. Directions and orders available for the execution of tactics.
tactical procedures. Prescribed modes (and methods) of implementing tactical instructions.
NOT RELEASABLE
tactical towed array system (TACTAS). A towed-array system primarily designed for use in
ASW support operations. Its passive acoustic performance is optimized for submarine detection
at higher tow speeds.
target acquisition. The detection, identification, and location of a target in sufficient detail to permit
the effective employment of weapons.
target combat air patrol. A patrol of fighter aircraft maintained over an enemy target area to destroy
hostile aircraft and to cover friendly shipping in the vicinity of the objective area in amphibious
operations.
target radar. A radar, the detection of which would indicate the presence of enemy forces or that an
attack is probable.
task designator. The number assigned to a task force, task group, or task element.
MTP 1(D), Vol. I
task element. A component of a task unit organized by the commander of the task unit or higher authority
for accomplishing a specific task.
task fleet. A mobile command of ships and aircraft necessary for accomplishing specific major tasks
which may be of a continuing nature.
task force. A component of a fleet organized by the commander of a task fleet or higher authority
for the accomplishment of a specific task or tasks.
task group. A component of a task force organized by the commander of the task force or higher
authority for accomplishing specific tasks.
task organization. The organization of forces for operational purposes to provide the necessary
flexibility for meeting changing operational requirements while retaining a clear indication of
the chain of command.
task unit. A component of a task group organized by the commander of a task group or higher
authority for accomplishing specific tasks.
threat and target emitters. A threat emitter is an emitter, normally associated with a weapon system,
the detection of which might indicate that an attack on the force is imminent or in progress. A
target emitter is an emitter, the detection of which would indicate the presence of enemy forces.
Glossary-23 CHANGE 1