I thought the SRB issue was that they dropped them into salt water ....

Message:


It cost more to refurbish than to build new ... but ... best when money is unlimited to do both.

(The Google and the Wiki say they did get re-used.)

https://en.wikipedia.org/wiki/Space_Shuttle_Solid_Rocket_Booster

None of the External Tanks did of course.

Yours,