According to the Minka Lesk omnibus after the Cadia destruction they did broke for a time before gathering their remains and losing half of their remaining numbers in incredibly suicidal but spectacular attack just to show the rest of Guard they didn’t lost the edge.
The planet broke before the Guard did.
According to the Minka Lesk omnibus after the Cadia destruction they did broke for a time before gathering their remains and losing half of their remaining numbers in incredibly suicidal but spectacular attack just to show the rest of Guard they didn’t lost the edge.