VOLUME I Multinational Maritime Tactical Instructions and Procedures

change of operational control (CHOP). The date and time (Greenwich Mean Time/Greenwich
Civil Time) at which the responsibility for operational control of a force or unit passes from one
operational control authority to another.
check point (aircraft). A geographical location on land or water above which the position of an
aircraft in flight may be determined by observation or by electronic means.
check-sum digits. The summation of the numbers in positions, courses, speeds, and times to avoid
confusion caused by errors in transmission of RATT signals.
circular disposition. A tactical arrangement of two or more formations stationed on concentric circles
and oriented clockwise from a disposition axis.
circular formation. A tactical arrangement of units stationed on concentric circles and oriented
clockwise from a formation axis to provide flexibility of maneuver while at the same time retaining
protection from air and subsurface threats.
NOT RELEASABLE
code word. A word which has been assigned a classification and a classified meaning to safeguard
intentions and information regarding a classified plan or operation.
column. A line in which ships form directly ahead or astern of the line guide.
combat air patrol (CAP). An aircraft patrol provided over an objective area, the force protected,
the critical area of a combat zone, or in an air defence area, for the purpose of intercepting and
destroying hostile aircraft before they reach their targets.
command. The authority vested in an individual of the armed forces for the direction, coordination,
and control of military forces.
command system. The command system is formed by the chain of command and includes the
means necessary to distribute orders and collect, evaluate, and disseminate information.
communications intelligence (COMINT). Intelligence derived from electromagnetic communications
and communications systems by other than intended recipients or users.
composite warfare commander (CWC). That officer to whom the officer in tactical command
has assigned some or all of his authority and responsibilities for the overall direction and control
of the defense of his force.
confusion. Measures taken to make an enemy’s target identification and selection more difficult.
consolidation. The transfer of all types of cargo between replenishment ships to enable some of
them to be emptied so that they can return to base or reload.
contact lost. A target tracking term used to signify that a target believed to be still within sensor
coverage is temporarily lost but the termination of track plotting is not warranted.
contact mine. A mine detonated by physical contact.
MTP 1(D), Vol. I
Glossary-5 CHANGE 1