What does US stand for?

Upper Stage

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

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Universiteit van Stellenbosch (University of Stellenbosch) University of Saskatchewan University of Stellenbosch University of Sussex (UK) University of Sydney (Sydney, Australia) University School (Ohio) Uniwersytet Szczecinski (Polish: University of Szczecin) Unserviceable Up Stage Upper School		Upstream US Airways User Segment Usher Syndrome Usual Stuff (polite form) Ut Supra (Latin: As Above) Utilisateurs Simultanés (Informatique) United States Environmental Protection Agency United States Generally Accepted Auditing Standards United States Market Access Center (formerly International Business Incubator)

Samples in periodicals archive:

Known by the acronym ORCA, the Ordnance Remote Control Assemblies are designed to send signals to small explosives that are used to separate the Atlas first stage and Centaur upper stage as well as the Centaur upper stage and the rocket's payload.

United States : Shuttle Atlantis launch to go ahead of Atlas rocket ...

Only the first stage of Ares I-X -- a modified solid-fuel motor from the shuttle program -- will be tested, while the upper stage and capsule are mock ups.

NASA is 'go' for crucial rocket test

Only the first stage of Ares I-X -- a modified solid-fuel motor from the shuttle program -- will be tested, while the upper stage and capsule are mock ups.

NASA is 'go' for crucial rocket test

In fact, Boeing markets a product known as the Inertial Upper Stage, a booster that lifts satellite payloads from the shuttle to higher, more useful altitudes.

BOEING HOPING TO CATCH WORK WITH EVENTUAL SHUTTLE CONTRACTOR

Possibilities under study include modifications of the Air force's existing Inertial Upper Stage booster, as well as a commercial booster called the Transfer Orbit Stage, being developed by Orbital Sciences Corp.

Shuttle-Centaur canceled

9 million contract to provide upper stage manufacturing demonstration articles for Teledyne Brown Engineering in Huntsville, Alabama.

Ducommun Incorporated Announces $1.9 Million Contract Award for ...

The Atlas V Centaur upper stage is powered by a single RL10A-4-2 engine that delivers 22,300 pounds of thrust.

United States: Pratt & Whitney Rocketdyne Successfully Powers Rocket ...

The operation has been postponed several times, after a problem was identified in the guidance and navigation subsystem in the launcher's upper stage, called the Breeze KM.

European science satellite launch delayed until at least February