TRN(1) Task Requirements Notice. (2) Test Requirements Notification.
Trojan horseA computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate…
TropopauseThe upper boundary of the troposphere, usually characterized by an abrupt change in lapse rate from positive (decreasing temperature with height) to…
TroposphereThe layer of the atmosphere closest to the Earth's surface.
Tropospheric ScatterThe propagation of electromagnetic waves by scattering as a result of irregularities in the physical properties of the troposphere.
TRP(1) Test Readiness Program. (2) Technology Reinvestment Program. (3) Technology Readiness Program (pre-acquisition program status).
Trusted Computer System/SoftwareA system or its software that employs sufficient hardware and software integrity measures to allow its use for processing sensitive or classified…
Trusted PathA mechanism by which a person at a terminal can communicate directly with the Trusted Computing Base.
TTD&DTest Technology Development and Demonstration. A portion of the CTEIP program, which funds the development and demonstration of technologies, which have…
TTPAbbreviation for thymidine 5'-triphosphate. TTP is required for DNA synthesis since it is a direct precursor molecule. See: thymidine, thymidylic acid.
TTSARBTechnology Transfer and Security Assistance Review Board.
Type A - System SpecificationStates all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved.
Type B - Development SpecificationStates all necessary requirements in terms of performance. Essential physical constraints are included.
Type C - Product SpecificationProduct specifications are applicable to any item below the system level, and may be oriented toward procurement of a product through specification of…
TyphoonA tropical cyclone in the Western Pacific Ocean in which the maximum 1-minute sustained surface wind is 64 knots (74 mph) or greater.
TypingThe act of recognizing objects by measuring a set of observables, computing a set of characteristics, and associating the characteristics with a specific…