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the end item acceptance tests, are not recommended as production expediency.
Induced
Environments
Induced environments are defined at the system level as the disturbances in the
natural environments caused by BMD system influences on other BMD assets
(Self-Induced, e.g., GBR radar energy impacting and effecting a GBI in flight) or
the influence of other systems external to BMD on BMD assets (Externally-
Induced, e.g., high power electric line electromagnetic field effects on C2E
electronic equipment).
Induced
Radioactivity
Radioactivity produced in certain materials as a result of nuclear reactions,
particularly the capture of neutrons, which are accompanied by the formation of
unstable (radioactive) nuclei. In a nuclear explosion, neutrons can induce
radioactivity in the weapon materials, as well as in the surroundings (e.g., by
interaction with nitrogen in the air and with sodium, manganese, aluminum, and
silicon in soil and sea water).
MDA GLOSSARY, VER.4 .0 I
138
Industrial
Resource
Analysis (IRA)
A quick-turnaround or a detailed analysis of industrial and/or specific factory
capabilities to determine the availability of production resources required to
support SDS. These resources include capital (including machine tools and
special tooling/test equipment), materiel, and manpower needed to meet the
range of SDS requirements. IRA includes the results of feasibility studies,
producibility analyses, and technology assessments. Shortfalls discovered in
IRAs are assessed for risk levels, based on the reasons for the risks, and
become issues listed in the MDA Producibility Programming and Issues
Resolution Strategies (PPIRS) document.
Inertial
Guidance
A guidance system designed to project a missile over a predetermined path,
wherein the path of the missile is adjusted after launching by devices wholly
within the missile and independent of outside information. The system measures
and converts accelerations experienced to distance traveled in a certain
direction.
Inertial
Measurement
Unit (IMU)
A guidance mechanism designed to project a missile over a predetermined path,
wherein the path of the missile is adjusted after launching by devices wholly
within the missile and independent of outside information. The unit measures
and converts accelerations experienced to distance traveled in a certain
direction.
INETS Integrated Effects Tests for Survivability.
INEWS Integrated Electronic Warfare System (Navy term).
INF Intermediate-range Nuclear Force (Treaty term). Also the name of U.S./USSR
Treaty.
In-Flight Target
Update
A data report, which contains updated, predict- ahead target position, time, and
velocity for interceptor weapons to use in making midcourse correction.
(USSPACECOM)
Information
Architecture (IA)
A description of the information that is needed to support command and control
decision making and battle management, where it comes from, the processing
that must be performed to provide it, and the resulting behavior. The description
provides the invariant framework for interoperability, operational and design
flexibility, coping with the unexpected, extensibility, and reusability.
Information
Resources
Management
The planning, budgeting, organizing, directing, training, promoting, controlling,
and management activities associated with the burden, collection, creation, use,
and dissemination of information by agencies and includes the management of
information and related resources, such as FIP resources.
Information
Security
(INFOSEC)
Those measures and administrative procedures for identifying, controlling, and
protecting against unauthorized disclosure of classified information or
unclassified controlled information, which includes export-controlled technical
data and sensitive information. Such measures and procedures are concerned
with security education and training, assignment of proper classifications,
downgrading and declassification, safeguarding, and monitoring.
Infrared (IR) Electromagnetic radiations of wavelength between the longest visible red (7,000
Angstroms or 7 x 10E4 millimeter) and about 1 millimeter. (See Electromagnetic
Radiation.)
Infrared (IR)
Electro-Optics
Technologies/techniques employed by optical sensors in the wavelength
spectrum slightly longer than visible but shorter than radio.
MDA GLOSSARY, VER.4 .0 I
139
Infrared Imagery That imagery produced as a result of sensing electromagnetic radiations emitted
or reflected from a given target surface in the infrared position of the
electromagnetic spectrum.
　
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