S8 Ep349: SEGMENT 3: SPACE ENGINEERING AND BOOSTER TECHNOLOGY Guest: Bob Zimmerman Zimmerman discusses latest developments in space engineering, focusing on booster rocket technology and satellite deployment advances. Discussion covers SpaceX achievements, competin
The John Batchelor Show
John Batchelor
4.6 • 2.7K Ratings
🗓️ 21 January 2026
⏱️ 15 minutes
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| 0:00.0 | Hiring isn't just about finding someone willing to take the job. |
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| 0:57.1 | I'm John Bachelor. Behind the black, Bob Zimmerman keeps the watch so that I don't have to, |
| 1:03.0 | and he's watching Artemis 2. Bob, where is it, what is it, and what are we waiting for? Good evening. All right, so NASA has finally rolled the rocket, SLS rocket out, fully stacked and ready to go with the Orion capsule integrated |
| 1:13.4 | to the top, ready to go. And they rolled it to the launch pad this past weekend. And it's there |
| 1:20.4 | ready for a dress rehearsal launch countdown. This will be what they call a wet dress rehearsal |
| 1:26.4 | because they will actually load the rocket and prep it for launch, lower the core stage actually, because the side |
| 1:33.2 | stages are solid-fueled and are already fueled. But they will do a full dress rehearsal if they're |
| 1:38.4 | going to launch. They'll take it down to T-minus zero and then it'll stop. And they'll have the |
| 1:42.3 | astronauts on board while they do this dress rehearsal. |
| 1:46.7 | And once that's done, they have not announced a launch date because they want to see how |
| 1:51.7 | this dress rehearsal goes. |
| 1:53.6 | In 22, when they were preparing for the unmanned Orion mission, they had to go through several dress rehearsals |
| 2:01.7 | because they had some fuel and propellant leak issues that they had to clear up. And they |
| 2:06.4 | might happen this time. They say they fix those issues, but you know, you never know. |
| 2:11.7 | Once they've done a dress rehearsal to completion with no problems, they will not announce |
| 2:16.0 | a launch date. They have several launch windows running from February 6th to April 6th, |
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