The Inertial Upper Stage (IUS), originally designated the Interim Upper Stage, was a two-stage, solid-fueled space launch system developed by Boeing for...

an upper stage capable of delivering them there directly. Earlier DSCS III satellites had launched on the Titan 34D (using the Transtage or Inertial Upper...

The Titan IV could be launched with no upper stage, the Inertial Upper Stage (IUS), or the Centaur upper stage. The Titan IV was made up of two large...

refer to expendable upper stages, such as Fregat, Spaceflight Industries Sherpa, and the Inertial Upper Stage, when such stages are optional. The space...

TOS was designed to be a lower-cost alternative to Inertial Upper Stage and Centaur G upper stages. The TOS was designed to be deployed by the Titan 34D...

manually align on a star. In 1991, NASA began upgrading the inertial measurement units with an inertial navigation system (INS), which provided more accurate...

to be launched from the Space Shuttle, the first one to use the Inertial Upper Stage booster, and the first spacecraft to test aerobraking as a method...

delivered directly to geostationary orbit using the Transtage or Inertial Upper Stage, and so were not capable of performing their own circularization...

were ultimately launched using the much less powerful solid-fueled Inertial Upper Stage (IUS), Galileo needing multiple gravitational assists from Venus...

1980s and 1990s with the Space Shuttle and made use of the Inertial Upper Stage, a two-stage solid rocket booster developed for the shuttle. Other TDRS...

featured Stage 1 and Stage 2 stretched with more powerful UA1206 solid motors. A variety of upper stages were available, including the Inertial Upper Stage, the...

Titan IV could be launched with a Centaur upper stage, the USAF Inertial Upper Stage (IUS), or no upper stage at all. This rocket was used almost exclusively...

replacement and testing of a malfunctioning redundant inertial measurement unit on the Inertial Upper Stage (IUS) booster attached to the Defense Support Program...

Observatory (formerly the Advanced X-ray Astrophysics Facility) with its Inertial Upper Stage booster. At its launch, Chandra was the most sophisticated X-ray...

its attached Inertial Upper Stage (IUS), were deployed from Discovery's cargo bay six hours and 13 minutes into the flight. The first stage of the IUS placed...

: 10–13  The primary mission of the Challenger crew was to use an Inertial Upper Stage (IUS) to deploy a Tracking and Data Relay Satellite (TDRS), named...

and upper aft bulkhead, similar to the one released from STS-53, confirms that the ASE (Airborne Support Equipment) for the Inertial Upper Stage (IUS)...

and propulsion technologies. S-IC first stage Lunar Roving Vehicle X-38 Crew Return Vehicle Inertial Upper Stage (Titan IV and Space Shuttle) International...

flight. The primary payload, the Galileo spacecraft with its attached Inertial Upper Stage (IUS), was successfully deployed on its journey to Jupiter. STS-34...

the polar regions of Sun. Attached to Ulysses were two upper stages, the Inertial Upper Stage (IUS) and a mission-specific Payload Assist Module-S (PAM-S)...

orbit by means of an Inertial Upper Stage. The twin-stage solid-propellent Inertial Upper Stage made two burns. The first stage burn occurred around an...

activities of the primary payloads, which included the unfolding of the Inertial Upper Stage (IUS) surface. After 48 orbits around the Earth, Discovery landed...

Deployment of Tracking Data Relay Satellite-B (TDRS-B) with an Inertial Upper Stage (IUS) booster Flight of "Shuttle Pointed Autonomous Research Tool...

Typically, DSP satellites were launched on Titan IVB boosters with Inertial Upper Stages. However, one DSP satellite (DSP-16) was launched using the Space...

deployment of a Defense Support Program (DSP) satellite with an Inertial Upper Stage (IUS) rocket booster. The mission was concluded after 110 orbits...

Tracking and Data Relay Satellite (TDRS-G) by means of the two-stage Inertial Upper Stage (IUS) solid rocket. It was built by TRW and weighs about 2,200...

without further delays. The primary payload, TDRS-E, attached to an Inertial Upper Stage (IUS), was deployed about six hours into flight, and the IUS propelled...

be launched either with the Centaur upper stage, with the Inertial Upper Stage (IUS) or without any upper stage. It was almost exclusively used to launch...

navigation 50 years ago." Throughout the 1980s, Aerospace supported the Inertial Upper Stage (IUS), the Strategic Defense Initiative (SDI), the Milstar and DSCS...

STS-41 Discovery — October 1990 — Mission Specialist 3 — Ulysses/Inertial Upper Stage solar probe deployment STS-49 Endeavour — May 1992 — Mission Specialist...