New RS-25 nozzle for Retrofit 3b, EGS Artemis II preps continue, SLS USA test article spotted

Описание: Another NASA Artemis update on the Moon to Mars programs to report this time.

The seventh RS-25 hot-fire test in a Retrofit 3b series of 12 occurred at NASA Stennis Space Center in the afternoon of February 23, with a 550 second hot-fire. Engine 0525 will test a second new production restart nozzle for the remainder of the series.

NASA Public Affairs posted more pictures of Exploration Ground Systems work to finish stacking preparations for the Artemis II Solid Rocket Boosters. Painting of the NASA worm logo on the center-center segments is complete and work to finish aft assembly buildup is expected to be complete soon. Video of a Mobile Launcher crew access arm swing test at Launch Pad 39B was also published.

A Universal Stage Adapter test article for the SLS Block 1B Crew vehicle in development was also seen in transport to Marshall Space Flight Center during the week.

Imagery is courtesy of NASA, except where noted. SLS USA image credit: TurbulentSphere on X.

00:00 Intro
00:36 RS-25 Retrofit 3b Test #7
04:23 RS-25 testing history
08:44 RS-25 production restart nozzle swap ahead of latest hot-fire test
11:59 EGS finishes painting NASA worm logo on Artemis II SRB segments
13:38 Mobile Launcher Crew Access Arm swing test video
16:36 SLS Universal Stage Adapter test article transportation sighting
20:34 Thanks for watching!