These spacecraft which previously were clustered on their dispenser system were mated atop Soyuz Fregat upper stage
during operations in the Spaceports S3B payload preparation facility.
One flight on June 15, 2007, NRO L-30, experienced an upper-stage anomaly when the engine in the vehicle's Centaur upper stage
shut down four seconds early, leaving the payload--a pair of naval signals intelligence satellites--in a lower than intended orbit.
A GSLV with the indigenously developed cryogenic upper stage
was launched on April 15 this year, but the mission failed.
The purpose of the test launch was whether the reusable first-stage booster could be detached from the upper stage
without a glitch.
2 billion contract with NASA covering design, development, testing, and evaluation of the J-2X engine that will power the upper stages
of the Ares I and also of the Ares V launch vehicle.
The current plans call for the subscale HLV to be a high-speed sub-orbital vehicle that would use dummy upper stages
to test separation characteristics.
It ended because of a marketing decision to sell a family of Atlas launch vehicles, some of which had an unnamed upper stage
very similar to the old Centaur.
Inertial Upper Stage
Flight Controller Telemetry Simulation System) to support launch rehearsal and government training; training in support of this contract; and deployment support.
The light is never quite clear on the lower stage; but it is bright enough for you to perceive that sometimes the action that takes place on the upper stage
is duplicated on the lower.
Stuck without an adequate replacement booster, NASA redesigned the mission to fire Galileo using a conventionally fueled but less powerful rocket called the Inertial Upper Stage
Before Saturday's liftoff atop a Delta II rocket from Cape Canaveral Air Force Station, Florida, THEMIS had a six-week stay at Astrotech's Titusville facilities where the probes underwent performance testing, fueling, and were each individually mated to the payload carrier and finally, to the upper stage
The Proton M launch vehicle and the Breeze M upper stage
are designed and produced at Khrunichev Space Center of Moscow, one of the core industry enterprises under the State Corporation "ROSCOSMOS.