
The engines were built by the Soviets back in the 60’s.
Not designed in the 60’s, but built back then for the doomed N-1 program (all flights ended a bit like this one), and refurbished here.
When Doves Fry… I’m also sad to see 26 of Planet Labs‘ Dove satellites become squab….
But it’s a good thing that this debut flight of the Castor 30XL solid upper stage did not ignite midair, like this Delta rocket…
Big bada boom, 
with pyro stars in the sky at 
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