I was curious too. I found: - https://en.wikipedia.org/wiki/Space_Shuttle_Solid_Rocket_Booster#Range_safety_system https://en.wikipedia.org/wiki/Space_Shuttle_

I was curious too. I found: - https://en.wikipedia.org/wiki/Space_Shuttle_Solid_Rocket_Booster#Range_safety_system https://en.wikipedia.org/wiki/Space_Shuttle_Solid_Rocket_Boo... - https://space.stackexchange.com/questions/5775/how-are-self-destructs-implemented-in-rocketry https://space.stackexchange.com/questions/5775/how-are-self-... tldr: shape charges for solid boosters, dumping fuel for liquid