The shuttle did not drop RS-25's in the ocean. The SLS does. The shuttle's SRB's were fished out, refurbed, refueled, and reflown. The SLS's SRB's are left

The shuttle did not drop RS-25's in the ocean. The SLS does. The shuttle's SRB's were fished out, refurbed, refueled, and reflown. The SLS's SRB's are left to sink to the bottom.