One of the main elements of NASA’s Space Launch System (SLS) Core Stage that makes it more than just a big fuel tank is the Main Propulsion System (MPS). All the equipment for the care and feeding of uprated Space Shuttle Main Engines (SSME), adapted for SLS by Aerojet Rocketdyne as the RS-25, is repackaged from the backend of Space Shuttle Orbiters into a more traditional inline rocket stage.
Activation of the B-2 test stand at Stennis Space Center in Mississippi for the “Green…
SpaceX is preparing to launch its second mission from KSC’s Pad 39A, with the expendable…
April 12, 1981: the 20th anniversary of the first manned spaceflight in history. On that…
In what is highly likely to be her final rollout, Discovery – as the STS-133…
Following an engineering solution to the left External Tank separation bolt nut and nut retaining…
The Shuttle Derived Heavy-Lift Launch Vehicle (SD HLV) Assessment has been completed, the result of…
STS-132’s weather-delayed rollout to Pad 39A began at 23:31 local time on Wednesday, following three…
STS-130 is set to achieve its latest milestone, as Endeavour prepares to rollover to the…
Only three minor foam liberation events have been noted in initial ascent imagery evaluations, with…
Atlantis continues to behave herself on Pad 39A, with no notable issues reported in the…
T-43 hours and counting for the launch of Atlantis on her STS-129 mission to the…
The STS-128 crew have completed Flight Day 2’s activities, which focused on the opening inspections…
Engineers still believe they only have an instrumentation problem with the LH2 PV12 Inboard Fill…
The push to return Discovery back to launch operations has begun, with initial troubleshooting via…
Endeavour has won the right to make a launch attempt on June 17 (Wednesday), following…
Endeavour remains on track for the setting of a June 13 or 14 launch date…
Another major milestone in the flow towards the final Hubble Servicing Mission has taken place,…
Following a run of “clean” flights during 2008 – thanks to continued progress in reducing…
With Endeavour now undergoing post-flight processing in Orbiter Processing Facility Bay 2 following her cross-country…
