https://en.wikipedia.org/wiki/Space_Shuttle_Solid_Rocket_Booster#Descent_and_recovery https://en.wikipedia.org/wiki/Space_Shuttle_Solid_Rocket_Boo... Some of t

https://en.wikipedia.org/wiki/Space_Shuttle_Solid_Rocket_Booster#Descent_and_recovery https://en.wikipedia.org/wiki/Space_Shuttle_Solid_Rocket_Boo... Some of the parts from the first missions were re used on the last. The SRBs weren't disposable, but they were essentially refurbished after each launch.