SgtMaj Dacilas is a native of Spring Valley NY. He graduated from Albertus Magnus High School in 1988. He reported to Boot Camp at Paris Island, SC in February of 1991. He graduated Boot Camp as an Honor graduate and was meritoriously promoted to Private First Class. After completing Marine Combat Training Private First Class reported to Naval Air Station Meridian Mississippi for Aviation Maintenance Administration training where he was meritoriously promoted to Lance Corporal and reported to Marine Corps Air Station Tustin, CA. for assignment.
From September 1991 to October 1995 Lance Corporal Dacilas served with Marine Heavy Helicopter Squadron 465, Marine Aviation Logistic Squadron 16, and Marine Heavy Helicopter Training Squadron 302. During that period he held billets as Maintenance Administration Clerk, Technical Publications Librarian, Squadron Guide, Squadron Color Sergeant, Non-Commissioned Officer In-Charge of the Maintenance Administration section, and was meritoriously promoted to the rank of Corporal and Sergeant respectively.
In October 1995 Sergeant Dacilas assisted in the relocation of Marine Heavy Helicopter Training Squadron 302 from Marine Corps Air Station Tustin CA to Marine Corps Air Station New River NC. He remained at MCAS New River until December 1997. During that period he attended the Sergeants Course at Camp Geiger NC.
From January 1998 to December 1998 Sergeant Dacilas was stationed at Marine Corps Air Station Iwakuni Japan on a one year un-accompanied tour. While stationed in Japan he was promoted to Staff Sergeant, held the billet of Staff Non-Commissioned Officer In-Charge of his section and attended the Career Course at Camp Hanson, Okinawa Japan.
From January 1999 to May 2002 Staff Sergeant Dacilas attended Drill Instructor School at MCRD San Diego and held the billets of Drill Instructor and Senior Drill Instructor with First Battalion, Bravo Company completing nine cycles before completing his time at MCRD as the Dental Liaison for Receiving Company.
From May 2002 to March 2005 Staff Sergeant Dacilas was attached to Marine Fighter Attack Squadron 314 where he held the billets of Division Chief, Squadron Safety Officer, and Squadron Motorcycle Safety Reprehensive and deployed aboard the USS Carl Vinson (CVN 70). After returning from an eight month deployment he was promoted to Gunnery Sergeant, attended the Advance Course at Camp Pendleton, and subsequently received orders as an instructor.
From March 2005 to February 2008 Gunnery Sergeant Dacilas was assigned to the Staff Non-Commissioned Officers Academy at Camp Pendleton where he served as Instructor, Chief Instructor and Staff Non-Commissioned Officer In-Charge of the Sergeants Course and completed his tour as an Instructor at the Advanced Course. During that period Gunner Sergeant Dacilas earned his Master Instructor Certification respectively.
From February 2008 to April 2009 Gunnery Sergeant Dacilas was assigned to Marine Heavy Helicopter Squadron 462 where he deployed to Camp Al Asad Iraq in the billets of Division Chief and Squadron Gunnery Sergeant. In April 2009 he was transferred to Marine Aircraft Group 16 to serve as the Headquarters and Service Company, Company First Sergeant.
First Sergeant Dacilas was promoted to First Sergeant 1 February 2010 and received orders to Seventh Marines in 29 Palms CA. He serves as the Company First Sergeant for Charlie Company, First Battalion Seventh Marines where he deployed aboard the USS Essex (CV-9) with the 31st MEU. Upon returning from deployment he assigned to Lima Company, Third Battalion Seventh Marines and deployed to Sangin Afghanistan in support of OEF.
First Sergeant Dacilas received orders to 1st LAR in January 2013 and has held the billets of Delta Company, Alpha Company, and Headquarters and Service Company, Company First Sergeant, and completed his tour as the First Light Armored Reconnaissance Battalion, Battalion Sergeant Major.
Sergeant Major Dacilas was promoted to his current rank 1 February 2017 and is currently the Site Support Miramar Sergeant Major.
His personal awards include the Meritorious Service Medal, Navy Commendation Medal 3rd award, the Navy Achievement Medal 5th award, and the Military Outstanding Volunteer Service Medal.