I’m Anthony Colangelo.

I used to write frequently, but now it’s just occasionally.

Formerly: A List Apart, Cognition, Main Engine Cut Off.

ISRO Carries Out Pad Abort Test

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Though ISRO doesn’t have an official human spaceflight program just yet, they’re making good progress on fundamental components, including the abort systems and the launch vehicle—GSLV Mk. III. Looks like this was a successful test of the abort system, save for the crew module separating from the parachutes on final descent.

Thanks to June Patrons

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Very special thanks to the 206 of you out there supporting Main Engine Cut Off on Patreon for the month of June. Your support keeps this blog and podcast going, and most importantly, it keeps it independent.

Six of Ten AR-22 Firings Completed

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I’ve heard that they did lose a day due to weather last week, and have been working around some since, but this is at least somewhat encouraging. I’ve also heard a lot of skepticism about the vehicle that is supposed to be attached to this engine, but I guess we’ll see soon.

FAA Issues Virgin Orbit Launch License

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Contrary to what was reported in SpaceNews a few days ago, there will be more than one captive carry test, there won’t be a captive carry test next week, and there will be a drop test before the first launch attempt. The test campaign will take most of the summer, so I wouldn’t expect to see engines light until the end of August or even September.

LauncherOne Getting Close

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Workers will be attaching the pylon that holds LauncherOne to the aircraft’s left wing in the next few days, he said. “If everything goes well there, we’ll conduct our first captive carry test,” he said. The flight will take place from the Mojave Air and Space Port in California.