Caleb = DS_PVT_Caleberus
James = DS _MJR_ToxicSpartan
Roobz = DS_FM_Voxelius

Format: DavShep_<RANK>_<NAME>

Ranks (In order from highest to lowest):
Field Marshal (FDM), General (GEN), Brigadier (BRG), Colonel (COL), Major (MAJ), Captain (CAP), Lieutenant (LNT), Sergeant (SGT), Corporal (CRP), Lance Corporal (LCP), Private (PVT), Raf-Level, (RBS).

Those are the ranks. Any rank above Colonel (Including Colonel) Has the right to demote and promote any member of the clan up to their rank, though they must do it with reason.