Navy Space

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Anonymous
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176501
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Navy Space
Updated:
2012-10-09 10:57:35
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Snax
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Navy Space Snax
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  1. 115.1 Describe the following Space mission areas:

    What is Space Force Enhancement?
    Increasing the combat potential of that force and enhancing operational awareness.
  2. 115.1 Describe the following Space mission areas:

    How many Force Enhancement functions are there?

    What are they?
    • 5
    • -Intelligence, Surveillance, and reconnaissance
    • -Missile Warning
    • -Environmental Monitoring
    • -Satellite Communications
    • -Space-Based positioning, navigation, and timing
  3. 115.1 Describe the following Space mission areas:

    What does Space Support Entail?
    • -Space Lift operations (launching & Deploying satellite)
    • -Satellite Operations (Maintaining, sustaining, and rendezvous and proximity ops).
    • -Reconstitution of space forces (replenishing lost or diminished satellites.
  4. 115.1 Describe the following Space mission areas:

    What does Space Control provide?
    Freedom of action in space for friendly forces, and when directed, denies it to an adversary.
  5. 115.1 Describe the following Space mission areas:

    What does Space Control consist of?
    • -Offensive Space Control (OSC)
    • -Defensive Space Control (DSC)
    • -Space Situational Awareness (SSA
  6. 115.1 Describe the following Space mission areas:

    What does Space Force Application consist of?
    Attacks against terrestrial-based targets carried out by military weapon systems operating in or through space.
  7. 115.2 Describe the Space environment to include the following:

    The Sun
    The sun has the biggest effect on the space environment. Fueled by nuclear fusion, the sun fuses 600 million tons of hydrogen/sec.
  8. 115.2 Describe the Space environment to include the following:

    What are the two by-products of the fusion process that impact space systems?
    • -Electromagnetic Radiation
    • -Electrically Charged Particles
  9. 115.2 Describe the Space environment to include the following:

    What is Solar Wind?
    Continuous outflow of energetic charged particles (Protons and Electrons). They exert a pressure on satellites, particularly those with large area-to mass ratios.
  10. 115.2 Describe the Space environment to include the following:

    What is a Solar Cycle?
    Solar activity is cyclic in nature following an 11yr cycle. Generally there is a 4yr rise to a solar maximum, followed by a gradual 7yr decline to solar minimum.
  11. 115.2 Describe the Space environment to include the following: 

    Explain Van Allen Radiation Belts?
     
    The outer and inner Van Allen Radiation Belts are two concentric, donut shaped regions of stable, trapped charged particles that exist b/c the geomagnetic field near the Earth is strong and field lines are closed. These radiation belts can have serious impact on Communications satellites.
  12. 115.2 Describe the Space environment to include the following:

    Atmospheric Drag
    Produces more frictional drag on a satellite than expected and decreases its altitude while increasing its speed. Consequently, the satellite will be some distance below and ahead of its expected position when a ground radar or optical telescope attempts to locate it
  13. 115.2 Describe the Space environment to include the following:

    What are the consequences of Atmospheric Drag?
    • -Inaccurate satellite locations which can hinder rapid acquisition of SATCOM links for commanding or data transmission.
    • -Costly orbit maintenance maneuvers may become necessary
    • -De-orbit predictions may become unreliable
  14. 115.3 Identify the Following Orbits:

    What is Low Earth Orbit?
    A satellite that is at altitudes b/w about 150 & 800 miles above the Earth's surface. Space shuttles and some scientific satellites are typically placed here.
  15. 115.3 Identify the following orbits: 

    What is Medium Earth Orbit?
     
    A satellite in a region above 2000Km and below 35786Km. The most common use for satellites in this region is for navigation (GPS).
  16. 115.3 Identify the following orbits:

    What is Highly Elliptical Orbit?
    Where a satellite slows down at apogee in the Northern Hemisphere and whips through perigee in the Southern Hemisphere. This provides communications in the Northern Hemisphere for nearly 75% of the satellite's orbital period.

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