E2.1.1. Acquisition Category (ACAT).
Categories established to facilitate decentralized decision-making and
execution, and compliance with statutorily imposed requirements. The
categories determine the level of review, decision authority, and applicable
procedures. DoD 5000.2-R, Part 1, (reference (h))
provides the specific definition for each acquisition category (ACAT I through
E2.1.2. Advanced Concept Technology Demonstration
(ACTD). The primary goal of an ACTD is to assess the military
utility of a significant new capability and to conduct the assessment at a
scale size adequate to clearly establish operational utility and system
E2.1.3. Approval. To give formal or official
sanction. The formal or official sanction of the identified need described in
the requirements documentation.
E2.1.4. Architectures. The structure of
components, their relationships, and the principles and guidelines
governing their design and evolution over time.
E2.1.5. Assessment (Assess). The act or
result of determining the contribution or disposition of an activity, product,
or condition, based on an appraisal of the state of IT and NSS
E2.1.6. C4I Support Plan. A mechanism to
identify and resolve implementation issues related to an acquisition program's
C4ISR infrastructure support and IT and NSS interface requirements. It
identifies IT and NSS needs, dependencies, and interfaces for programs in all
acquisition categories, focusing attention on interoperability,
supportability, and sufficiency concerns.
Requirements Document (CRD). A document that contains
capabilities-based requirements that facilitate and guide the development of
individual ORDs by providing a common framework and operational concept. It is
an oversight tool for overarching requirements for a system-of-systems or
(Certify). A formal statement of adequacy provided by a responsible
Agency attesting that a system has met its interoperability and supportability
E2.1.9. Common Operating Environment
(COE). The COE establishes an integrated software infrastructure
that facilitates the migration and implementation of functional mission
applications and integrated databases across information systems. The COE
provides architecture principles, guidelines, and methodologies that assist in
the development of mission application software by capitalizing on a thorough,
cohesive set of infrastructure support services.
E2.1.10. Conformance Testing.
Testing the extent to which a system or subsystem adheres to or
implements a standard.
E2.1.11. Defense Agencies. All
agencies and offices of the Department of Defense, including the Ballistic
Missile Defense Organization, Defense Advanced Research Projects Agency,
Defense Commissary Agency, Defense Contract Audit Agency, Defense Finance and
Accounting Service, Defense Information Systems Agency, Defense Intelligence
Agency, Defense Legal Services Agency, Defense Logistics Agency, Defense
Threat Reduction Agency, Defense Security Cooperation Agency, Defense Security
Service, National Imagery and Mapping Agency, National Reconnaissance Office,
and National Security Agency.
E2.1.12. DoD Component. The
Office of the Secretary of Defense, the Military Departments, the Chairman of
the Joint Chiefs of Staff, the Combatant Commands, the Inspector General of
the Department of Defense, the Defense Agencies, DoD Field Activities, and all
other organizational entities within the Department of Defense.
E2.1.13. DoD 5000 Series. Refers
collectively to DoD Directive 5000.1, DoD Instruction 5000.2, and DoD
E2.1.14. Electromagnetic Environmental
Effects (E3). The impact of the electromagnetic environment upon the
operational capability of military forces, equipment, systems, and platforms.
It encompasses all electromagnetic disciplines, including electromagnetic
compatibility/electromagnetic interference; electromagnetic vulnerability,
electromagnetic pulse; electromagnetic protection; hazards of electromagnetic
radiation to personnel, ordnance, and volatile materials; and natural
phenomena effects of lightning and p-static.
E2.1.15. Evaluation (Evaluate). Measuring or
quantifying the value, characteristics, or capabilities of something against
established standards, (as in "Test and Evaluation"). The determination of, or
act of determining the relative degree to which IT and NSS interoperability is
E2.1.16. Family-of-Systems (FoS). A set or
arrangement of independent systems that can be interconnected or related in
various ways to provide different capabilities. The mix of systems can be
tailored to provide desired capabilities that depend on the situation.
E2.1.17. Information Assurance
(IA). Information operations that protect and defend information and
information systems by ensuring their availability, integrity, authentication,
confidentiality, and non-repudiation. This includes providing for restoration
of information systems by incorporating protection, detection, and reaction
E2.1.18. Information Exchange Requirements
(IERs). The requirement for information to be passed between and
among forces, organizations, or administrative structures concerning ongoing
activities. Information exchange requirements identify who exchanges what
information with whom, as well as why the information is necessary, and how it
will be used.
E2.1.19. Information Superiority. The
capability to collect, process, and disseminate an uninterrupted flow of
information while exploiting or denying an adversary's ability to do the
E2.1.20. Information Systems Security (INFOSEC).
The protection of information systems against unauthorized access to or
modification of information, whether in storage, processing, or transit,
against the denial of service to authorized users, or against the provision of
service to unauthorized users. It includes those measures necessary to detect,
document, and counter such threats.
E2.1.21. Information Technology (IT). Any
equipment, or interconnected system or subsystem of equipment, that is used in
the automatic acquisition, storage, manipulation, management, movement,
control, display, switching, interchange, transmission, or reception of data
or information by the executive agency. This includes equipment used by a
Component directly, or used by a contractor under a contract with the
Component, which (i) requires the use of such equipment, or (ii) requires the
use, to a significant extent, of such equipment in the performance of a
service or the furnishing of a product. The term "IT" also includes computers,
ancillary equipment, software, firmware and similar procedures, services
(including support services), and related resources. Notwithstanding the
above, the term "IT" does not include any equipment that is acquired by a
Federal contractor incidental to a Federal contract. The term "IT" includes
National Security Systems (NSS).
E2.1.22. Information Technology Architecture
(ITA). An integrated framework for evolving or maintaining existing
information technology and acquiring new information technology to achieve the
Agency's strategic goals and information resources management goals.
E2.1.23. Integrated Architecture. An
architecture consisting of multiple views or perspectives (operational view,
systems view, and technical view) that facilitates integration and promotes
interoperability across FoS/SoS and compatibility among related mission area
E22.214.171.124. The operational architecture view is a
description of the tasks and activities, operational elements, and
information flows required to accomplish or support a warfighting
E126.96.36.199. The systems architecture view is a
description, including graphics, of systems and interconnections providing
for, or supporting, warfighting functions.
E188.8.131.52. The technical architecture view is the
minimal set of rules governing the arrangement, interaction, and
interdependence of system parts or elements, whose purpose is to ensure that
a conformant system satisfies a specified set of
Interoperability. Interoperability is the ability of systems,
units or forces to provide data, information, materiel, and services to and
accept the same from other systems, units, or forces and to use the data,
information, materiel, and services so exchanged to enable them to operate
effectively together. IT and NSS interoperability includes both the technical
exchange of information and the end-to-end operational effectiveness of that
exchange of information as required for mission accomplishment.
E2.1.25. Joint Mission Areas (JMAs). JMAs
represent a functional group of joint tasks and activities that share a common
purpose and facilitate joint force operation and interoperability. JMAs
provide a logical way to organize the JOA and provide the context for defining
FoS/SoS relationships sharing a common mission area.
E2.1.26. Joint Operational Architecture (JOA).
Description of tasks and activities, operational elements, and
information flows required to accomplish or support military operations;
defines the types and frequency of information exchanged, which tasks and
activities are supported by information exchanges, and nature of information
exchanges in detail sufficient to ascertain specific interoperability
E2.1.27. Joint Systems Architecture (JSA).
The identification and description of all DoD systems and their
interconnections necessary to accomplish the tasks and activities described in
the Joint Operational Architecture.
E2.1.28. Joint Technical Architecture (JTA).
The JTA consists of the minimal set of rules governing the arrangement,
interaction, and interdependence of system parts or elements, whose purpose is
to ensure that a conformant system satisfies a specified set of requirements.
The JTA defines the service areas, interfaces, and standards (JTA elements)
applicable to all DoD systems, and its adoption is mandated for the
management, development, and acquisition of new or modified fielded IT and NSS
systems throughout the Department of Defense.
E2.1.29. Key Performance Parameter (KPP).
Those capabilities or characteristics considered most essential for
successful mission accomplishment. Failure to meet a KPP threshold can be
cause for the concept or system selection to be reevaluated or the program to
be reassessed or terminated. Failure to meet a Capstone Requirements Document
KPP threshold can be the cause for the FoS/SoS concept to be reassessed or the
contributions of the individual systems to be