Sergeant Major Alpizar enlisted in the Marine Corps on 20 January 1994 and completed recruit training at MCRD Parris Island on 8 April 1994. Following recruit training; Private Alpizar attended Marine Combat Training at Camp Geiger North Carolina and attended the Automotive Organizational Maintenance Course, and Logistics Vehicle System Maintenance Course. Upon completion, he was assigned the MOS 3521.
Private First Class Alpizar reported to Service Company, 8th Communications Battalion, 2d Force Service Support Group on October 15, 1994 to serve as a motor transport mechanic. During this time he participated on Operation Purple Star with the British Royal Marines. On 1 March 1995 Lance Corporal Alpizar was assign has the Quality Control Non Commission Officer. He was then promoted to the rank of Corporal on 1 November 1996.
On March 1997 he received orders to report to Marine Air Control Squadron 4, Marine Air Control Group 18, 1st Marine Aircraft Wing, Okinawa Japan, and was assign as the motor transport shop chief. On 1 February 1998 He was promoted to Sergeant and assigned the billet of motor transport maintenance chief. During this time he participated on deployments to Korea, Australia and Thailand. On September 2001 Sergeant Alpizar was deployed to Guam in Support of Operation Noble Eagle and was promoted to Staff Sergeant on 1 November 2001. On March 2002 Staff Sergeant Alpizar Deployed to Kandahar, Afghanistan and Karshi-Khanabad, Uzbekistan in Support of Operation Enduring Freedom. On April 2003 Staff Sergeant Alpizar deployed again to Afghanistan.
On November 2003 Staff Sergeant Alpizar received orders to Inspector-Instructor Staff, Headquarters Company, 8th Tank Battalion, 4th Marine Division. During this time he served as the Battalion’s motor transport chief and logistics chief. On July 2005 8th Tank Battalion was deactivated and reassigned as Alpha Company, Anti-Terrorism Battalion in which he provided direct support for Marines deploying to the Horn of Africa. On 1 October 2006 he was promoted to the rank of Gunnery Sergeant.
On December 2006, Gunnery Sergeant Alpizar received orders to General Support Maintenance Company, 2d Maintenance Battalion, 2d Marine Logistics Group, to serve as the General Support Maintenance (GSM) Company First Sergeant. On May 2007 Gunnery Sergeant Alpizar deployed to Guantanamo Bay, Cuba and was assigned the billet of Joint Operations Chief, Joint Task Force, at Guantanamo Bay Cuba. On 1 January 2008, he was re-assign again to GSM Company to serve has the Company First Sergeant and deployed to Al Asad Iraq in Support of Operation Iraqi Freedom 9.2.
On 19 February 2010 he was promoted to First Sergeant and reported to Inspector-Instructor Staff, India Company, 3d Battalion, 25th Marines, in Buffalo New York to serve as the Inspector-Instructor First Sergeant. During this time First Sergeant Alpizar was in direct support of the activation and training of a reserve infantry company to prepare and deploy in support of Operation Iraqi Freedom.
On 26 July 2013, First Sergeant Alpizar reported to 3D Low Altitude Air Defense (LAAD) Battalion Camp Pendleton California to serve as the Headquarters and Service Battery First Sergeant. On 26 August 2013 First Sergeant Alpizar assumed the duties as Battalion Sergeant Major 3D LAAD Battalion until 4 June 2015. On 7 August First Sergeant Alpizar was assigned to serve as the Marine Air Support Squadron 3 Sergeant Major in Camp Pendleton California and on 25 November 2015 he was promoted to Sergeant Major. On October 9, 2017 Sergeant Major Alpizar was assigned to his current duty station to serve as the Recruiting Station Tampa, Florida Sergeant Major.
Sergeant Major Alpizar holds a Bachelor’s Degree in Transportation and Logistics from the American Military University. Sergeant Major Alpizar’s personal decorations include the Meritorious Service Medal, Joint Commendation Service Medal, Navy and Marine Corps Commendation Medal with gold star in lieu of second award, Navy and Marine Corps Achievement Medal with two gold stars in lieu of third award and the Outstanding Military Volunteer Service Medal.