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

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...

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...

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...

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

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...

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

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

that a satellite (USA-8) was deployed during the mission using an Inertial Upper Stage booster was deployed and met mission objectives. At just over three...

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...

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...

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

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...

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...

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...

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

11:47 UTC. The Inertial Upper Stage's first stage motor ignited at 12:48 UTC, and after burning for 125 seconds and separating, the second stage ignited at...

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

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)...

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

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

: 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...

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

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...

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)...

System) satellites were launched into geostationary orbits by an Inertial Upper Stage (IUS). The DSCS satellites used X-band frequencies (8/7 GHz). Each...

Space Shuttle Department of Defense mission. The mission carried an Inertial Upper Stage and deployed a DoD satellite. This was the first shuttle mission...

Satellite (TDRS-C), which was subsequently carried to orbit by the Inertial Upper Stage (IUS) rocket. They also operated eleven mid-deck experiments. Discovery...

September 1989, boosted by a Titan 34D rocket. Centaur (rocket stage) Inertial Upper Stage RM-81 Agena Wade, Mark. "AJ10-138". Encyclopedia Astronautica...

she supported include Space Station, Lunar and Mars Base studies, Inertial Upper Stage, Advanced Orbital Transfer Vehicle, Getaway Specials, Air Launched...