jp1_02

As Amended Through 15 March 2013
immediate response — Any form of immediate action taken to save lives, prevent human
suffering, or mitigate great property damage under imminently serious conditions when
time does not permit approval from a higher authority. (JP 3-28)
immediate response authority — A Federal military commander’s, Department of
Defense component head’s, and/or responsible Department of Defense civilian
official’s authority temporarily to employ resources under their control, subject to any
supplemental direction provided by higher headquarters, and provide those resources to
save lives, prevent human suffering, or mitigate great property damage in response to a
request for assistance from a civil authority, under imminently serious conditions when
time does not permit approval from a higher authority within the United States.
Immediate response authority does not permit actions that would subject civilians to the
use of military power that is regulatory, prescriptive, proscriptive, or compulsory.
(DODD 3025.18)
implementation — Procedures governing the mobilization of the force and the deployment,
employment, and sustainment of military operations in response to execution orders
issued by the Secretary of Defense. Also called IMP. (JP 5-0)
implied task — In the context of joint operation planning, a task derived during mission
analysis that an organization must perform or prepare to perform to accomplish a
specified task or the mission, but which is not stated in the higher headquarters order.
See also essential task; specified task. (JP 5-0)
imprest fund — A cash fund of a fixed amount established through an advance of funds,
without appropriation change, to an authorized imprest fund cashier to effect immediate
cash payments of relatively small amounts for authorized purchases of supplies and
nonpersonal services. (JP 1-0)
improvised explosive device — A weapon that is fabricated or emplaced in an
unconventional manner incorporating destructive, lethal, noxious, pyrotechnic, or
incendiary chemicals designed to kill, destroy, incapacitate, harass, deny mobility, or
distract. Also called IED. (JP 3-15.1)
inactive duty training — Authorized training performed by a member of a Reserve
Component not on active duty or active duty for training and consisting of regularly
scheduled unit training assemblies, additional training assemblies, periods of
appropriate duty or equivalent training, and any special additional duties authorized for
Reserve Component personnel by the Secretary concerned, and performed by them in
connection with the prescribed activities of the organization in which they are assigned
with or without pay. Does not include work or study associated with correspondence
courses. Also called IDT. See also active duty for training.
Inactive National Guard — Army National Guard personnel in an inactive status not in the
Selected Reserve who are attached to a specific National Guard unit but do not
134 JP 1-02