The article page could not be accessed because it displayed a browser verification and JavaScript error message rather than the video or accompanying report. As a result, there are no confirmed details available from the supplied text about NASA’s planned spacewalks or what the preview covered.

The title indicates that NASA was expected to provide a live preview of forthcoming spacewalks, likely outlining mission objectives, timing and operational preparations. However, the supplied material contains no dates, astronauts, locations or other substantive information.