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| | United States Marine Corps - 15th Sergeant Major of the Marine Corps (Site not responding. Last check: 2007-10-19) |
 | | Sergeant Major John L. Estrada enlisted on 5 September 1973 and attended recruit training at Marine Corps Recruit Depot, Parris Island, SC. |
 | | From March 1995 to May 1998, Sergeant Major Estrada served as Sergeant Major for 2d Battalion, 1st Marines, BLT 2/1, 1st Marine Division, Camp Pendleton, CA; and deployed with the 11th Marine Expeditionary Unit (SOC) and 15th Marine Expeditionary Unit (SOC) to the Western Pacific and the Arabian Gulf. |
 | | In May, 1998, Sergeant Major Estrada assumed the duties as Sergeant Major for Recruiting Station Sacramento, CA in the 12th Marine Corps District, Western Recruiting Region. |
| www.marines.mil /sgtmaj/smmc15 (535 words) |
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