Tag: WDR
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Artemis II Wet Dress Rehearsal, critical milestone to launch – Attempt 1 scrubbed
Artemis II is still waiting to pass its Wet Dress Rehearsal following an extended attempt to get through the terminal count on Monday. Teams had a hydrogen leak earlier in the countdown, before an extended hold due to additional work required by the closeout team. With time running out in the window, SLS finally entered…
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NASA lines up WDR for SLS ahead of Artemis II
Teams at the Kennedy Space Center are advancing preparations for the Artemis II mission, the first crewed flight of the Space Launch System (SLS) rocket and Orion spacecraft, with key milestones on track ahead of a critical wet dress rehearsal (WDR) test that is set for no earlier than January 31. It has been a…
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SLS rolled back to VAB for final launch preparations
After a successful Wet Dress Rehearsal (WDR), NASA Exploration Ground Systems (EGS) rolled back the Space Launch System (SLS) rocket to the Vehicle Assembly Building (VAB), which should be the last time this is performed before launch. The Artemis 1 vehicle will now undergo final readiness checks and launch preparations ahead of its debut flight…
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Artemis 1 vehicle heads back to VAB while NASA discusses what to do next
NASA’s Artemis 1 flight vehicle is headed back to the Vehicle Assembly Building (VAB) at the Kennedy Space Center (KSC) after a month at Launch Pad 39B attempting to complete the final test before its first launch. The Wet Dress Rehearsal (WDR), a countdown demonstration test with the integrated Orion spacecraft and Space Launch System…
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NASA calls off modified Artemis 1 Wet Dress Rehearsal for hydrogen leak
NASA tried again at a third attempt on April 14 to complete the Wet Dress Rehearsal (WDR) test on its Artemis 1 vehicle. The integrated Orion spacecraft and Space Launch System (SLS) rocket for Artemis 1 will be launched by the agency’s Exploration Ground Systems (EGS) program from the Kennedy Space Center (KSC) in Florida…
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NASA working through wet dress rehearsal, final major pre-flight test for moon rocket
With the arrival of SLS and Orion at Pad-B on March 18, engineers and technicians were busy making final preparations for Sunday’s critical last design verification test: the Wet Dress Rehearsal, or WDR. The test was scrubbed on April 3 before fueling due to an inability to provide positive pressure to the enclosed areas within…
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SLS prepares for rollout and WDR – as three additional SLS rockets wait in the wings
Years and billions of dollars in the making, the first Space Launch System (SLS) rocket is set to roll out to Pad 39B for Wet Dress Rehearsal (WDR) next week. While this rocket is set to launch the Artemis-1 mission, three additional SLS rockets are in various stages of preparation at the Michoud Assembly Facility…
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Atlas 5 rocket rehearses countdown for upcoming launch to Asteroid Bennu
The venting Atlas 5 during today’s WDR. Credit: NASA-KSC/Kim Shiflett CAPE CANAVERAL — Running through a practice countdown to check systems before launching a NASA sample-return probe to Asteroid Bennu in exactly two weeks, an Atlas 5 successfully completed its Wet Dress Rehearsal today. The United Launch Alliance rocket will propel the OSIRIS-REx spacecraft on…
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Delta 4 rocket undergoes launch day rehearsal for its next Air Force mission
CAPE CANAVERAL — A United Launch Alliance Delta 4 rocket went through a practice countdown and fueling exercise this week to prepare for its Aug. 19 liftoff to deliver a pair of orbital surveillance satellites into space. Known as a Wet Dress Rehearsal, the test at Complex 37 was conducted on Wednesday, July 27, a…