jp1_02

As Amended Through 15 March 2013
liaison — That contact or intercommunication maintained between elements of military
forces or other agencies to ensure mutual understanding and unity of purpose and
action. (JP 3-08)
life cycle — The total phases through which an item passes from the time it is initially
developed until the time it is either consumed in use or disposed of as being excess to
all known materiel requirements. (JP 4-02)
lighterage — The process in which small craft are used to transport cargo or personnel from
ship-to-shore using amphibians, landing craft, discharge lighters, causeways, and
barges. (JP 4-01.6)
limiting factor — A factor or condition that, either temporarily or permanently, impedes
mission accomplishment. (JP 5-0)
line of communications — A route, either land, water, and/or air, that connects an
operating military force with a base of operations and along which supplies and
military forces move. Also called LOC. (JP 2-01.3)
line of demarcation — A line defining the boundary of a buffer zone used to establish the
forward limits of disputing or belligerent forces after each phase of disengagement or
withdrawal has been completed. See also buffer zone; disengagement; peace
operations. (JP 3-07.3)
line of departure — 1. In land warfare, a line designated to coordinate the departure of
attack elements. Also called LD. (JP 3-31) 2. In amphibious warfare, a suitably
marked offshore coordinating line to assist assault craft to land on designated beaches
at scheduled times the seaward end of a boat lane. Also called LOD. (JP 3-02)
line of effort — In the context of joint operation planning, using the purpose (cause and
effect) to focus efforts toward establishing operational and strategic conditions by
linking multiple tasks and missions. Also called LOE. (JP 5-0)
line of operation — A line that defines the interior or exterior orientation of the force in
relation to the enemy or that connects actions on nodes and/or decisive points related in
time and space to an objective(s). Also called LOO. (JP 5-0)
link — 1. A behavioral, physical, or functional relationship between nodes. 2. In
communications, a general term used to indicate the existence of communications
facilities between two points. 3. A maritime route, other than a coastal or transit route,
which links any two or more routes. See also node. (JP 3-0)
link encryption — The application of online crypto-operation to a link of a
communications system so that all information passing over the link is encrypted in its
entirety.
172 JP 1-02