Nice, short and simple. I like it how you make the space marine appear just right compared to the naval officers. Nice and fearsome, though you have not gone all not Dan Abnett on us (OTT)
Just two mistakes I found:
".... and had learned to command a battleship
out of necessity."
"
Beside it stood a simple, worn ..."
Great stuff, I hope you will add more.
Kill the Traitors!