RE: SpaceX is known for its reusable rockets, but one under-appreciated technology it has pioneered is letting them self-destruct.

[acronyms]

Hi, I found some acronyms/abbreviations in this post. This is how they expand:

Acronym	Explanation
ATK	Alliant Techsystems, predecessor to Orbital ATK
ULA	United Launch Alliance (Lockheed/Boeing joint venture)

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