text: Military Terms
  intelligence requirement — (DOD) 1. Any subject, general or specific, upon which there is a need for the
  collection of information, or the production of intelligence. 2. A requirement for intelligence to fill a gap in the
  command’s knowledge or understanding of the operational environment or threat forces. (JP 2-0) Also called
  IR.
  intelligence synchronization — The art of integrating information collection; intelligence processing,
  exploitation, and dissemination; and intelligence analysis with operations to effectively and efficiently fight for
  intelligence in support of decision making. (ADP 2-0)
  intelligence warfighting function — The related tasks and systems that facilitate understanding the enemy,
  terrain, weather, civil considerations, and other significant aspects of the operational environment. (ADP 3-0)
  See also warfighting function.
  intelligence, surveillance, and reconnaissance — (DOD) 1. An integrated operations and intelligence activity
  that synchronizes and integrates the planning and operation of sensors, assets, and processing, exploitation,
  and dissemination systems in direct support of current and future operations. 2. The organizations or assets
  conducting such activities. (JP 2-0) Also called ISR.
  interagency — (DOD) Of or pertaining to United States Government agencies and departments, including the
  Department of Defense. (JP 3-08)
  interagency coordination — (DOD) Within the context of Department of Defense involvement, the coordination
  that occurs between elements of Department of Defense, and participating United States Government
  departments and agencies for the purpose of achieving an objective. (JP 3-0)
  interdict — A tactical mission task in which a unit prevents, disrupts, or delays the enemy’s use of an area or
  route in any domain. (FM 3-90)
  interdiction — (DOD) 1. An action to divert, disrupt, delay, or destroy the enemy’s military surface capability
  before it can be used effectively against friendly forces, or to otherwise achieve objectives. (JP 3-03)
  interdiction fires — Employed to disrupt, delay, or destroy enemy forces. (FM 3-09)
  interior lines — Lines on which a force operates when its operations diverge from a central point. (ADP 3-0)
  intermediate staging base — (DOD) A tailorable, temporary location used for staging forces, sustainment
  and/or extraction into and out of an operational area. (JP 3-35) Also called ISB.
  intermodal — (DOD) Type of international freight system that permits transshipping among sea, highway, rail,
  and air modes of transportation through use of American National Standards Institute and International
  Organization for Standardization containers, linehaul assets, and handling equipment. (JP 4-09)
  intermodal operations — The process of using multiple modes (air, sea, highway, rail) and conveyances (truck,
  barge, containers, pallets) to move troops, supplies and equipment through expeditionary entry points and the
  network of specialized transportation nodes to sustain land forces. (ADP 4-0)
  internal advisement — A required religious support capability that advises on religion, morals, and morale
  within units, and ethical decision making of the command. (ATP 1-05.04)
  internal audience — (DOD) In public affairs, United States military members and Department of Defense civilian
  employees and their immediate families. (JP 3-61)
  internal defense and development — (DOD) The full range of measures taken by a nation to promote its
  growth and to protect itself from subversion, lawlessness, insurgency, terrorism, and other threats to its
  security. (JP 3-22) Also called IDAD.
  internally displaced person — (DOD) Any person who has been forced or obliged to flee or to leave their home
  or places of habitual residence, in particular, as a result of or to avoid the effects of armed conflict, situations
  of generalized violence, violations of human rights, or natural or human-made disasters and who has not
  crossed an internationally recognized state border. (JP 3-29) Also called IDP.
  international armed conflict — Any declared war between States, or to any other armed conflict between
  States, even if the state of war is not recognized by one of them. (FM 6-27)
  international military education and training — (DOD) Formal or informal instruction provided to foreign
  military students, units, and forces on a nonreimbursable (grant) basis by offices or employees of the United
  States, contract technicians, and contractors, and the instruction may include correspondence courses;
  technical, educational, or informational publications; and media of all kinds. (JP 3-22) Also called IMET.
  international organization — (NATO) An intergovernmental, regional or global organization governed by
  international law and established by a group of states, with international juridical personality given by
  international agreement, however characterized, creating enforceable rights and obligations for the purpose of
  fulfilling a given function and pursuing common aims. (NATOTerm)