1/7 So, a bit of a deep dive/thread on the X-37B processing after landing at Vandenberg.
This is probably very boring and nerdy, so you have been warned :)
Note: this is evidence based, using public sources, I'll indicate when I make educated guesses.
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2/7 The focus will be OTV-1 & OTV-2 as we have evidence available on those.
After landing on runway 12 & runway processing, it is towed back to a processing facility.
Now the reason for this thread, I wrongly assumed its the same building it was towed into, except, it wasn't...
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3/7 For OTV-1, after a bit of research and checking the only picture available, I'm pretty sure the building is the airlock of the Astrotech PPF, aka ASO building 1032
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5/7 For OTV-2 however, this is not the case, for whatever reason they switched from Astrotech to the (former?) NASA Hazardous Processing Facility, aka building 1610, identification,again, was done by looking at other images, like this image KSC-08pd3500 of NOAA-N prime processing
Sep 19, 2026 · 5:06 PM UTC
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6/7 For OTV-3 and OTV-7 it is currently unknown which facility was used, although I would not be surprised if it was the same HPF building 1610, but that remains a guess as evidence is missing, also more recent images of this building are missing.
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