Sergeant Major Toscano enlisted in the Marine Corps in April 1992 and underwent recruit training at 1st Recruit Training Battalion, Alpha Company, MCRD San Diego, California.
In August 1992, Private First Class Toscano completed Marine Combat Training and School of Infantry at Marine Corps Base, Camp Pendleton, California, as a Machine Gunner an earning the MOS of 0331, in late September 1992. In October 1992, Private First Class Toscano was reassigned to Marine Corp Barracks, 8th & I for Presidential Support Program, Washington D.C.
In October 1994 Lance Corporal Toscano was reassigned to Alpha Company Weapons Platoon 1st Battalion 5th Marines, 1st Division, Camp Pendleton, California, where he served as a Machinegun Team/Section Leader, until being Honorable discharged in April 1996 as a Corporal.
In June 1996 Corporal Toscano joined Bulk Fuel Company D, 6th ESB 4th FSSG Phoenix, Arizona as a Reservist, and was promoted to the rank of Sergeant in January 1997 and served in multiple billets, from Platoon Sergeant, Platoon Commander and Operations Chief.
In January 2003 Sergeant Toscano was mobilized for Operation Iraqi Freedom with 6th ESB as a Bulk Fuel Platoon Sergeant and was promoted to the rank of Staff Sergeant in March 2003. In 2007-2008, Staff Sergeant Toscano was again mobilized with CLB-8, 2 MEF, Camp Lejeune, North Carolina, for his second combat deployment to Iraq. Serving in numerous billets, as bulk fuel section chief and security element SNCOIC for Engineer Company C.
In July 2008, Staff Sergeant Toscano was promoted to the rank of Gunnery Sergeant, were in January 2009 he was reassigned to H&S Company, 3/24, Bridgeton, Missouri and served as the Company Gunnery Sergeant and was again mobilized in 2009 for a third combat deployment to Iraq. In January 2010 to May 2010 was deployed on his four-month combat deployment as the SNCOIC on a MITT team with 2nd MEB for Operation Enduring Freedom, in Afghanistan.
In June 2011, Gunnery Sergeant Toscano was reassigned to 6th ESB, Glendale, Arizona, were he served in the billet as the Company 1stSgt from June 2011 to May 2012, until being promoted to the rank of First Sergeant in May 2012. First Sergeant Toscano was reassigned to Alpha Co, 4th Light Armored Reconnaissance Battalion, Camp Pendleton, California, from May 2012 to May 2016, until being promoted to current rank of Sergeant Major.
Sergeant Major Toscano is currently assigned to 4th Tank Battalion, San Diego, California in June 2016.
Sergeant Major Toscano personal awards are Marine Corps Commendation Medal and Navy & Marine Corps Achievement Medal with one gold star, Combat Action Ribbon, Good Conduct Medal, Selective Marine Corps Reserve Medal (third award).