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Boeing Inertial Upper Stage

The Boeing-developed Inertial Upper Stage was an expendable two-stage solid-propellant upper stage used with Space Shuttle and Titan launch systems. A specially configured IUS transferred Chandra from Columbia's parking orbit toward its highly elliptical operational orbit.

Identity

Aliases
IUSSpace Shuttle Inertial Upper Stage
Family Name
Inertial Upper Stage
Full Name
Boeing Inertial Upper Stage
Reusability
expendable
Slug
boeing-inertial-upper-stage
Status
retired
Type
rocket

Details

Description
The Boeing-developed Inertial Upper Stage was an expendable two-stage solid-propellant upper stage used with Space Shuttle and Titan launch systems. A specially configured IUS transferred Chandra from Columbia's parking orbit toward its highly elliptical operational orbit.
Manufacturer Id
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Operator Id
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Creation Time
7/17/2026, 1:15:24 AM
Updated Time
7/17/2026, 1:15:24 AM