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22 Cards in this Set
- Front
- Back
ARPNET
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1968 - First operational packet-switching network
1970 - Fives Nodes: UCLA, Stanford, UC Santa Barbara, U of Utah, BBN (Bolt, Bernnek and Newman). |
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First Chief Intelligence Officer (CIO/DNI)
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LT Theodorus Bailey Mysers Mason
1882-1885 |
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5-Step OPSEC Process
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Identify critical information
Analyze the threat Analyze the vulnerabilities Assess the risk Apply OPSEC measures (IAx4) |
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HUMINT
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Human INTEL Intelligence/information provided by human sources.
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OSINT
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Open Source INTEL
Information from publicly available sources/ analzying it to produce actionable intelligence. |
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SIGINT
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Signals INTEL
Gathered by interception of signals involving COMINT, ELINT, or both. |
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IMINT
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Imagery INTEL
Derived through the collection or analysis of imagery or collateral materials. |
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MASINT
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Measurement and Signature INTEL
Derived intelligence that, when processed by a dedicated system, results in intelligence that describes the signature of a target. |
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COMINT
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Communication INTEL
Sub-category of SIGINT, derived from the interception of foreign comms. |
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FISINT
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Foreign Instrumentation Signals INTEL
Derivied from electromagnetic emissions associated with the testing and operational deployment of foreign aerospace, surface, and subsurface systems. |
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ACINT
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Acoustic INTEL
Derived from the collection and processing of acoustic phenomena. |
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Multiplexing
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A process whereby multiple signals or data streams are combined into one signal over a shared medium.
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Refraction
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The bending of waves as they enter from one medium to another, or a different density.
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Modulation/demodulation
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The placement of intelligence onto a carrier signal.
"Digital to Analog" |
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Azimuth & Elevation
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Azimuth: horizontal angle measured clockwise from a north baseline.
Elevation: an angular height of the sun in the sky measured from the horizontal.* |
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Wind Speed
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Average rate of air motion.
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Extreme Temperatures
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Green Flag: 80-84.9 F
Yellow Flag: 85-87.9 F Red Flag: 88-89.9 F Black Flag: 90+ F |
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Low Earth Orbit (LEO)
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An orbit within the locus extending from the earth's surface up to an altitude of 2000 km.
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Medium Earth Orbit (MEO)
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The region of space around the Earth above low Earth orbit and below geostationary orbit.
Sometimes called Intermediate Circular Orbit (ICO) |
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Highly Elliptical Orbit (HEO)
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Elliptic orbit characterized by a relatively low altitude perigee and an extremely high altitude apogee.
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Geo-synchronous Orbit
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Orbit around a planet or moon with an orbital period that matches the planet or moon's sidereal rotation period
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Polar Orbit
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Orbit in which a satellite passes above or nearly above both poles of the body being orbited on each revolution.
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