NASA & World Space Exploration...News, Views, Photos & videos

bd popeye

The Last Jedi
VIP Professional
Some of you may ask where is the spacecraft recovery photos. Well NASA and the USN have not released them yet. Here are some photos I posted showing training on recovering the Orion spacecraft in the well deck of an LPD.

PACIFIC OCEAN (Nov. 1, 2018) - Sailors from Explosive Ordnance Disposal Mobile Unit Eleven and NASA personnel retrieve a Boilerplate Test Article November 1 during an Underway Recovery Test (URT) with amphibious transport dock USS John P. Murtha (LPD 26). URT is part of a U.S. government interagency effort to safely practice and evaluate recovery processes, procedures, hardware and personnel in an open ocean environment that will be used to recover the Orion spacecraft upon its return to Earth. (U.S. Navy photo by Navy Diver Chief Petty Officer Julio Cerecer)

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After splashdown the prime recovery ship will be an amphibous ship..not an aircraft carrier as with previous Mercury, Gemini and Apollo missions.. The capsule will be floated into the well deck and secured there...and the astronauts unless injured or ill will remain in the capsule until it is secured.

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PACIFIC OCEAN (Oct. 31, 2018) The Exploration Ground Systems Recovery Team, along with the U.S. Navy, practice recovering a test version of the Orion capsule and bringing it inside the well deck of the amphibious transport dock ship USS John P. Murtha (LPD 26) during Underway Recovery Test-7 (URT-7) in the Pacific Ocean, Oct. 31, 2018. URT-7 is one in a series of tests to verify and validate procedures and hardware that will be used to recover the Orion spacecraft after it splashes down in the Pacific Ocean following deep space exploration missions. Orion will have emergency abort capability, sustain the crew during space travel and provide safe re-entry from deep space return velocities. (U.S. Navy photo courtesy NASA/Released)
 

bd popeye

The Last Jedi
VIP Professional
NASA’s Orion spacecraft is seen as the agency’s Landing and Recovery team, along with U.S. Navy personnel work to recover the spacecraft into the well deck of USS John P. Murtha in the Pacific Ocean off the coast of California, Saturday, April 11, 2026. NASA’s Artemis II mission, which took NASA astronauts Reid Wiseman, commander; Victor Glover, pilot; Christina Koch, mission specialist; and CSA (Canadian Space Agency) astronaut Jeremy Hansen, mission specialist on a 10-day journey around the Moon and back to Earth, splashed down at at 5:07 p.m. PDT (8:07 p.m. EDT). Photo Credit: (NASA/Bill Ingalls/Joel Kowsky)

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taxiya

Brigadier
Registered Member
Orion Aerosciences and Thermal Protection System Overview
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A report on design and testing of orion thermal protection system from 2021. It includes EFT-1 final report and details difference between EFT-1 and EM-1 which hasn't happened at that time. It is interesting that the designer is well aware that the new/EM-1 blocked avcoat design is problematic. They are working on sizing of the block. Before EM-1 launch they are still not settled on the method of how to decide the proper size of the blocks. The new problem is fencing and gapping because the different properties of the block and filler. Their wind tunnel test had shown where the future crack would happen.
1776364607865.png
Compare the wind tunnel test result with the actual Artemis II shield. One can see that most of the cracks occured at the junctures of the blocks. The test has shown that these areas reaches higher temperature, and higher force due to the fence and gapping.
artemis i heatshield (大).jpg

Few things I gather:
  1. Changed from a proven one-piece design (apollo) to block solution to save work load, but launched it without solving the accompanying problem on the ground.
  2. Spend more time in debugging than saving in fabrication.
  3. Choosing the block design instead of an automated one-piece design which could also reduce work load. Automated one-piece design is proven (by Chinese) to be reliable, likely faster for NASA to realize.
  4. More than 10 years of failed debugging a problematic choice.
 

Michael90

Senior Member
Registered Member
Blue Origin has successfully landed a booster again, this time reusing the booster from their first successful landing attempt.

Omg. This is incredible. I’ve been waiting for this . We can’t allow space x to have a monopoly in the market . It’s about time someone gives them real competition. Blue origin entry into this sector and ability to scale will be crucial in giving spacex a run for its money . Competition should always be welcomed . Well done blue origin . Hopefully they are able to scale up this coming years. Bravo .
 
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