Inertial Upper Stage

The Inertial Upper Stage (IUS), originally designated the Interim Upper Stage, is a two-stage solid-fueled rocket upper stage developed by the U.S. Air Force for raising payloads from low Earth orbit to higher orbits following launch aboard a Titan III(34)D or Titan IV rocket, or from the payload bay of the Space Shuttle.

Read more about Inertial Upper Stage:  Development, Applications, Flights, Gallery

Famous quotes containing the words upper and/or stage:

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    Chinese proverb.

    Life is a disease; and the only difference between one man and another is the stage of the disease at which he lives. You are always at the crisis: I am always in the convalescent stage.
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