Why? The SLS Block 1 bravo doesn't use the advanced SRBs, just the 5 segmented ones from the STS.
Only the block 2 onwards is going to be fitted with the advanced ones.
Why? The SLS Block 1 bravo doesn't use the advanced SRBs, just the 5 segmented ones from the STS.
Only the block 2 onwards is going to be fitted with the advanced ones.