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IA
Information Assurance; protecting and defending information and information systems.
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IaaS
Infrastructure as a Service; a form of cloud computing that provides virtualized computing resources over the internet.
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IARB
Integrated Acquisition Review Board; an oversight group that conducts reviews at key decision points.
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IDF
Indirect Fire; enemy mortars or artillery.
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IDIQ
Indefinite-Delivery, Indefinite-Quantity; a contract providing for an indefinite quantity of services or supplies during a fixed period.
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Idle
Aircraft engine at minimum power setting.
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IED
Improvised Explosive Device; a homemade bomb.
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IEEE
Institute of Electrical and Electronics Engineers; a professional association that sets technical standards.
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IFB
Invitation for Bid; a procurement method used in sealed bidding to solicit firm-fixed-price offers.
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IG
Inspector General; the official responsible for investigating waste, fraud, and abuse within an agency.
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IMP
Integrated Master Plan; a top-level plan that provides the hierarchical event-based structure for an acquisition program.
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IMS
Integrated Master Schedule; a networked, multi-layered schedule of all program activities.
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In
Turning toward the target or threat.
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Incurred Cost
A cost that has already been paid or for which a liability has been established.
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Indirect Cost
A cost that is not directly identified with a single final cost objective, such as overhead or G&A.
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Interagency Acquisition
A procedure by which an agency needing supplies or services obtains them through another agency's contract.
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Intragovernmental Order
An order where a defense agency requests supplies from a non-defense federal agency.
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Invoice
A contractor's bill or written request for payment for supplies delivered or services performed.
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IOA
Industrial Operations Analyst; an official who evaluates industrial capabilities for the DoD.
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IRR
Individual Ready Reserve; pool of former soldiers for recall.
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Irrevocable Letter of Credit
A commitment by a financial institution to pay a stated amount that cannot be revoked by the offeror.
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ITB
Infantry Training Battalion; Marine infantry specialty training.
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ITS
Integrated Technology Service; a division of GSA that provides IT solutions.
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ITSS
Information Technology Solutions Shop; a GSA-managed marketplace for IT services.
