Stopping wasn't somthing your Chapter did often. But when it was done it was for good reason, like stoping to assist in the taking of a planet, purging Xeons from an already loyal planet, or purging traitorous chaos filth, this time was for the defense of a small Agriworld from Orks

and before you was a rather surprised looking Abhuman, saluting you in an admittedly perfect salute

A-ah

A Space Marine, we weren't expecting such illustrious support, it's an honor My lord.