Defense — page 19 of 65

6,416 terms

Defense terms

  1. EMSP Enhanced Modular Signal Processor.
  2. EMT See: embryo multiplication and transfer.
  3. EMV Electromagnetic Vulnerability.
  4. ENA Engineering: Architecture and Analysis.
  5. ENCATT Engineer CATT (US Army term).
  6. Enclave Isolated resource an SDS asset that has lost connectivity with other SDS assets with which it normally has connectivity, but is still capable of…
  7. End Item The final production product when assembled, or completed, and ready for issue/deployment. 94
  8. Endgame FOV The field of view of the interceptors sensor during its final maneuvers after target acquisition to intercept the target.
  9. Endo- Exoatmospheric Interceptor (E 2 I) A ground-based interceptor capable of engaging RVs either endoatmospheric or exoatmospheric .
  10. Endoatmospheric Within the earths atmosphere; generally considered to be altitudes below 100 km. An endoatmospheric interceptor reaches its target within the atmosphere.
  11. ENDOSIM Endoatmospheric Simulation.
  12. Endurance The time an aircraft can continue flying, or a ground vehicle or ship can continue operating, under specified conditions, e.g. without refueling.
  13. ENG Engineering.
  14. Engage (1) In air defense, a fire control order used to direct or authorize units and/or weapon systems to fire on a designated target.
  15. Engagement (1) A period of hostilities beginning when the first ballistic missile target undergoes fire from the first defensive weapon.
  16. Engagement Authorization The authorization given to USSPACECOM to use weapon and sensor systems under previously coordinated and authorized rules, procedures, and conditions.
  17. Engagement Control (1) That set of coordination, assessment, decision, and direction functions normally implemented automatically to execute the selected battle plan…
  18. Engagement Planning A set of rules and parameters to be used in developing weapon-target assignments and for sensor resource management. (USSPACECOM)
  19. Engagement Surveillance The surveillance required to support RV negation in the midcourse tier.
  20. Engagement Time The time that a weapon takes while engaging a given target. This includes not only firing at the target but all other necessary weapon functions involved…
  21. ENGAGT Engagement.
  22. Engineering and Manufacturing Development (EMD) The third phase in the acquisition process, following Milestone II. The system and its supporting items are fully developed, engineered, designed…
  23. Engineering Change Proposal (ECP) A proposal to the responsible authority recommending that a change to an original item of equipment be considered, and the design or engineering change be…
  24. Engineering Development A funding category including those development programs being engineered for service use but which have not yet been approved for procurement or operation.
  25. Engineering Development Model An advanced prototype used during the Engineering and Manufacturing Development phase (EMD) to resolve design deficiencies, demonstrate maturing…
  26. Engineering Development Model Enhanced Target Delivery System (ETDS) An advanced prototype used during the Engineering and Manufacturing Development phase (EMD) to resolve design deficiencies, demonstrate maturing…
  27. Engr Engineering.
  28. ENNK Endoatmospheric Non-Nuclear Kill.
  29. ENSCD Enemy Situation and Correlation Division (JFACC term).
  30. Environmental Assessment (EA) (EA) A public document that analyzes a proposed federal action for the possibility of significant environmental impacts.
  31. Environmental Impact Statement (EIS) (EIS) A comprehensive study of likely environmental impacts resulting from major federally-assisted projects; statements are required by the National…
  32. Environmental Security A specialized form of physical security that prevents technical penetration, e.g., penetration by waves of electron beams.
  33. Environments The media, conditions, and/or physical objects in which a BMD asset is immersed or surrounded.
  34. EO Elected Office - the national Office or intergovernmental organization of or acting for the Contracting State elected by the applicant under Chapter II of…
  35. EO/IR See Electro-Optics Infrared.
  36. EOA Early Operational Assessment.
  37. EOB (1) Enemy Order of Battle. (2) Electronic Order of Battle.
  38. EOC (1) See Element Operations Center. (2) Emergency Operations Center 96
  39. EOCM Electro-Optic Countermeasure.
  40. EOCT Element Operations Center Test Bed.
  41. EOD Explosive Ordnance Detail
  42. EOM End of Message.
  43. EOP Executive Office of the President
  44. EORSAT ELINT Ocean Reconnaissance Satellite (US).
  45. EOS Earth Orbiting System (NASA term).
  46. EOSH Environmental Operational Safety and Health.
  47. EP (1) Engagement Planning. (2) Evaluation Plan
  48. EP Cycle Engagement Planner Cycle (NMD BMC2 term).
  49. EPA See Environmental Protection Agency.
  50. EPD See: expected progeny difference.
  51. Ephemeris/ Ephemerides (1) A table showing the positions of an object in space at regular intervals of time.
  52. EPITS Essential Program Information Technology and Systems.
  53. EPL Emitter Parameter Listing (USN term).
  54. EPLRS Enhanced Position Locator Reporting System.
  55. EPO European Patent Office
  56. EPP Electric Power Plant (PATRIOT).
  57. EPROM Electrically Programmable Read-Only Memory.
  58. EQEC EurQuantum Electronics Conference (See CLEO).
  59. Equipment Operationally Ready The status of an item of equipment in the possession of an operating unit that indicates it is capable of fulfilling its intended mission and in a system…
  60. ER Describes cells that do not have a protein to which the hormone estrogen will bind.
  61. ERA A time period dominated by a particular physical process.
  62. ERADCOM OBSOLETE. Army Electronics Research and Development Command. (Now Laboratory Command (LABCOM), Adelphi, MD.) 97
  63. ERCS Emergency Rocket Communications System (US).
  64. ERD Element Requirements Document.
  65. ERG A unit of work done by the force of one dyne acting through a distance of one centimeter.
  66. ERINT OBSOLETE. Extended Range Interceptor. Now referred to as PAC-3.
  67. ERIS OBSOLETE. Exoatmospheric Reentry Vehicle Interceptor Subsystem. (Predecessor to Ground-Based Interceptor (GBI).)
  68. ERIS(F) OBSOLETE. ERIS Farm.
  69. ERP Emitted Radiative Power.
  70. ERR (1) Element Requirements Review. (2) Engineering Release Record.
  71. ERS (1) Early Release of Submunitions . (2) Emergency Response System.
  72. ESA See Endangered Species Act of 1973
  73. ESAD Electronic Safe and Arm Device.
  74. ESAR Extended Subsequent Application Review.
  75. ESC Electronic System Center (AFMC), Hanscom AFB, MA.
  76. ESCN Existing Systems and Center Notebook.
  77. ESD Examination Support Document -- see Guidelines for Examination Support Document (ESD) under § 1.265 [PDF]
  78. ESH Environmental, Safety and Health
  79. ESI Electronically stored information.
  80. ESI ICD External Systems Integration Interface Control Document.
  81. ESM (1) Electronic Warfare Support Measures. (2) Electronic Support Measures.
  82. ESMC Eastern Space and Missile Center, Patrick AFB, FL.
  83. ESNet Energy Sciences Network.
  84. ESPRIT European Strategic Program of Research in Information Technology.
  85. ESQD Explosive Safety Quantity Distance.
  86. ESSM Evolved (Enhanced) Sea Sparrow Missile.
  87. ET&C Extended Tracking and Control.
  88. ETA 1. The Eta Model, now referred to as North Amercian Meso (NAM) an 84-hour numerical model of the atmosphere run four times daily by NCEP.
  89. ETC Emerging Technology Center
  90. ETD Enterprise Training Division
  91. ETERTS End-to-End Real Time Simulator.
  92. ETESD End-to-End Sensor Demonstration.
  93. ETI Estimated Time of Intercept.
  94. ETIC Estimated Time for Completion.
  95. ETM Engineering Test Model
  96. ETR (1) Extended Test Range (Pacific Test Bed) (2) See Eastern Test Range. (3) Environmental Test Round. (4) Estimated Time to Repair.
  97. ETS Smoke that comes from the burning of a tobacco product and smoke that is exhaled by smokers. Inhaling ETS is called involuntary or passive smoking.
  98. EU European Union
  99. EUCOM European Command. See USEUCOM.
  100. EURATOM European Atomic Energy Agency.

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