Command Sergeant Major Carlos V. Arrieta Jr, received a Bachelor of Multidisciplinary Studies degree from University of Arkansas Grantham University. His military education includes the Army Sergeants Major Academy, Brigade Pre-Command Course, USN War College Primary PME Course, USN War College Officer Primary PME, Senior Enlisted Joint Professional Military Education Course Phase 1 and Phase 2, Battalion Pre-Command Course, Military Police Advance Leaders Course, Military Police Basic Leaders Course, Military Police Investigator Course, Military Police Protection Service Training Course, Military Police Special Reaction Team Course, Military Police Basic Course.
CSM Carlos V. Arrieta Jr. served on active duty from 1987 to 1999. His active-duty assignments include Fire Team Leader, Squad Leader, Patrol Supervisor, Black-Market Investigator, Drug Suppression Team Investigator, General Crimes Investigator Fire. Team Leader with the United States Army 10th Mountain Division, 511th Military Police Company at Fort Drum, New York; Black-Market Investigator with the 8th Army Provost Marshal Office at USFK; Special Reaction Team, and Protection Service Division with the Fort Myer Military Police Company at Fort Myer, Virginia; Squad Leader with the 142nd Military Police Company at USFK; and Drug Suppression Team, and Military Police Investigation with the Provost Marshal Office and Criminal Investigation Division at Fort Meade, Maryland.
CSM Carlos V. Arrieta Jr. left active duty in 1999 and joined the Army Reserve. His assignments include: Small Arms Group Instructor and Battalion S3 NCOIC with Small Arm Readiness Group, Fort Gillem, Georgia:, Brigade Operations NCOIC with 1st Operation Brigade, 70th Training Division, Gillem Enclave, Georgia; G3 NCOIC with 108th Training Command, Charlotte, North Caroline; 3rd Bn-108th Regt (SIG), 100th Training Division, Augusta, Georgia; Battalion Command Sergeant Major at 10th Bn-95th Regt (HS), Houston, Texas; and Brigade Command Sergeant Major with 5th Brigade (HS), 94th Training Division, Fort Sam Houston, Texas. He assumed the responsibility of the Command Sergeant Major of the USAR Legal Command on 5 August 2022.
His awards include the Meritorious Service Medal w/1 OLC Army Commendation Medal w/2 OLC Army Achievement Medal w/4 OLC, Army Good Conduct Medal w/3 Knot Device. Army Reserve Achievement Medal w/1 Silver OLC, 2 Bronze OLC, Joint Services Achievement Medal, National Defense Service Medal, Army Expeditionary Medal, Global War on Terrorism Service Medal, Armed Forces Reserve Ribbon w/20-year Device, M-Device, Numeral 3, NCO Professional Development Ribbon w/Numeral 5, Army Service Ribbon Army Overseas Service Ribbon w/ Numeral 2.