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:
“But that beginning was wiped out in fear
The day I swung suspended with the grapes,
And was come after like Eurydice
And brought down safely from the upper regions;
And the life I live now’s an extra life
I can waste as I please on whom I please.”
—Robert Frost (1874–1963)
“Morality is a venereal disease. Its primary stage is called virtue; its secondary stage, boredom; its tertiary stage, syphilis.”
—Karl Kraus (1874–1936)