Sgt. Maj. Charles T. Blumenberg, sergeant major of Combat Logistics Regiment 25, marches the unit colors to present them to Col. Craig C. Crenshaw as he relinquished command to Col. Christopher B. Edwards in a ceremony held aboard Camp Lejeune, N.C., June 4, 2010. - Sgt. Maj. Charles T. Blumenberg, sergeant major of Combat Logistics Regiment 25, marches the unit colors to present them to Col. Craig C. Crenshaw as he relinquished command to Col. Christopher B. Edwards in a ceremony held aboard Camp Lejeune, N.C., June 4, 2010.