Sergeant Major Davenport was slated to Marine Corps Logistics Command (LOGCOM), Albany, GA on 1 October 2012 as the senior enlisted advisor to the Commanding General LOGCOM.
Sergeant Major Davenport enlisted in the Marine Corps on 12 December 1983 and graduated recruit training at Parris Island, SC in June 1984. Upon completion of his military occupational specialty school, Private First Class Davenport was assigned to Headquarters and Service Battalion, Quantico, VA in October 1984.
In June 1985, Sergeant Davenport received orders to Naval Training Center, San Diego, CA to attend Marine Enlisted Commissioning Education Program (MECEP) Preparatory School, followed by assignment to the Naval Reserve Officers Training Corps unit at Texas A&M University. Following graduation June 1990, Staff Sergeant Davenport was transferred to MWSS-172, MWSG-17, Okinawa, Japan, completing a deployment to Korea and participating in Team Spirit 90.
In June 1991, Staff Sergeant Davenport transferred to First Combat Engineer Battalion, Camp Pendleton, CA, serving as the S-3 Battalion Training Chief and Marksmanship Range Officer until he transferred to the Individual Ready Reserve (IRR) in September 1992.
In April 1993, Staff Sergeant Davenport joined Company B, 4th Combat Engineer Battalion. He completed the Winter Training Package at Marine Corps Mountain Warfare Center; deployed in support of Battle Griffin at Tromso, Norway; participated in a bilateral exchange training package with the Dutch Royal Marines on the island of Aruba and was promoted to Gunnery Sergeant.
1st Sergeant Davenport reported to Company D, 4th Light Armored Reconnaissance Battalion January 1997, and upon completion of his tour, he was assigned as the Squadron Sergeant Major, VMFA-321, MAG-49, Detachment A, in May 2001. He participated in RIMPAC 01, DESSEX 02, and in support of Operation Enduring Freedom.
Sergeant Major Davenport was assigned as the Sergeant Major of MARFOR UNITAS, II MEF on 5 January 2004. The unit completed the first multi-national amphibious exercise on the South American continent, at Ancon, Peru.
Sergeant Major Davenport assumed the post as Sergeant Major, Combat Logistics Battalion 2, 2nd Marine Logistics Group on 15 August 2004, and deployed to Iraq in support of Operation Iraqi Freedom 04-06, February 2005-March 2006.
Sergeant Major Davenport was ordered to HQMC, Reserve Affairs Division on 11 September 2006, and deployed to Iraq in August 2009-August 2010 in support of OPERATION IRAQI FREEDOM as the Senior Enlisted Advisor for the Multi-National Security Transition Command Iraq (MNSTC-I)/Iraq Security Assistance Mission (ISAM). He later transferred to Iraq Training and Advisory Mission (ITAM) as part of the restructuring of MNSTC-I under United States Forces-Iraq (USF-I).
In August 2010, Sergeant Major Davenport reported for duty as the Sergeant Major, Headquarters and Service Battalion, Henderson Hall and relinquished his post September 2012.
His personal awards include the Legion of Merit; Bronze Star Medal (with gold star in lieu of second award); Meritorious Service Medal; Navy and Marine Corps Commendation Medal (with gold star in lieu of second award) and the Navy and Marine Corps Achievement Medal.