Coach, counselor and mentor, the Drill Sergeant symbolizes excellence and expertise in all warrior tasks, epitomizes the Army values and exemplifies the warrior ethos. Proudly display your tenure as a Drill Sergeant as a part of your NCO Backbone collection. This vertebra perfectly displays the professionalism and historical lineage of enlisted military service. The flawless design of this vertebra reflects the distinguished pride of the NCO Corps. This timeless military keepsake is meant to grow with your backbone as you advance in your military career.