I think his failure at the Fist of the First Men in the series was an unfortunate change. In the books, the fact that, despite his cowardice, he was...
The highest casualty rate sustained by a USMC unit since Vietnam (barring incidents like the Beirut barracks bombing) was 3rd Battalion 5th Marines,...
I'm not an officer, but in my experience, battalion XO's have very little interaction with the rank-and-file of the unit, let alone have any bearing...