Sergeant Major John L. Estrada (retired)
Sergeant Major John Estrada enlisted on 5 September 1973 and attended recruit training at Marine Corps Recruit Depot Parris Island, South Carolina. He completed F-4 aircraft maintenance schools at Naval Air Station (NAS), Memphis Tennessee, and Marine Corps Air Station (MCAS) Cherry Point, North Carolina. SgtMaj Estrada served in numerous assignments to include: Marine Fighter Attack Squadrons in Japan, California, Maryland, and South Carolina. He served two tours on the Drill Field as a Drill Instructor and a Drill Master. He deployed aboard the USS Coral Sea to the Western Pacific and the Arabian Gulf, and was the First Sergeant for Intelligence Company, 3d Surveillance Reconnaissance Intelligence Group, Camp Hansen, Okinawa, Japan; Marine Security Force Company, Norfolk, Virginia; Electronics Maintenance Company, 1st Maintenance Battalion, 1st Force Service Support Group, Camp Pendleton, California; and Company A, 1st Light Armored Reconnaissance Battalion, 1st Marine Division, Camp Pendleton. Sergeant Major Estrada assumed the post as the 15th Sergeant Major of the Marine Corps on 26 June 2003 and served in this position until 25 April 2007.