Storm Fists, how to not Veteran Sergeant

When I recreated my Storm Fists, I wanted to somehow show that they were a Chapter rebuilding itself after devastating losses. One way I settled on was to not have any Veteran Sergeants in the battle or reserve companies. Bites myself in the ass a bit during game play, but that is what happens when you try to build a "fluffy" force. My line of thinking goes this way: A Space Marine is selected