Marine Corps Activity Guam


Marine Corps Activity Guam

Håfa Ådai

Senior Enlisted Advisor

Gunnery Sergeant Omar Hadley

Senior Enlisted Advisor, Marine Corps Activity Guam

     Gunnery Sergeant Hadley was born February 11, 1977 in Kolonia, Pohnpei (Federated States of Micronesia).  He graduated high school at Wallace Rider Farrington High School, HI, in 1995.  He enlisted in the Marine Corps in September of 1998 and completed basic training at Marine Corps Recruit Depot Parris Island, SC. 

     Private Hadley attended the Basic Administrative Course at Jacksonville, NC and graduated in March 1999.  He was then assigned to I MEF Headquarters Group Camp Pendleton, CA, to serve as a correspondents Clerk in the Adjutants Office.  During this tour, he participated in Exercise Bright Star, a joint/coalition exercise in Alexandria, Egypt focused on increasing regional involvement in pursuit of improved security and defense capabilities.

     On February 2001 Corporal Hadley then reported to 11th Marine Expeditionary Unit Camp Pendleton, CA.  There he served in the S-1 Office as the Non Commissioned Office- In-Charge (NCOIC) of the Administrative section and was promoted to Sergeant in April of 2002.

     Sergeant Hadley then transferred to Quantico, VA where he served as the NCOIC of Command Distribution, Manpower Management Enlisted Assignments.  During this tour, he was selected for Staff Sergeant in 2005 then reported to Recruiters School at Marine Recruit Depot San Diego, CA.

     Staff Sergeant Hadley reported next to Marine Corps Recruiting Station (RSS) Orange County, CA, where he served as a Canvassing Recruiter for Recruiting Sub-Station (RSS) Guam.  During his tour, he earned the title of “Centurion” for his efforts when he enlisted over 100 applicants who graduated from Marine Corps Recruit Training San Diego.  In April 2009 he was promoted to his current rank of Gunnery Sergeant.

     Gunnery Sergeant Hadley transferred to Marine Corps Air Station Miramar, CA and served as the Outbound/Customer Service/Separations SNCOIC at the Installation Personnel Administrative Center.  During his tenure, he also deployed with I Marine Expeditionary Force to Helmand Province, Afghanistan, for 6 months in support of Operation Enduring Freedom as the Regional Command Southwest Senior Linguist coordinator for Helmand Province. 

     Gunnery Sergeant Hadley then reported to the Secretary of the Navy Council of Review Board Washington, DC where he served as a Physical Evaluation Board Liaison Officer for the Naval Medical Center San Diego, CA field office. 

     Gunnery Sergeant Hadley reported to Guam October 2014.  He previously served as the Operations Chief and now as the Senior Enlisted Advisor for Marine Corps Activity Guam. 

     Gunnery Sergeant Hadley’s personal decorations include the Navy and Marine Corps Commendation Medal and the Navy and Marine Corps Achievement Medal with two gold stars in lieu of third award.