D'Alesandro, Terence, GySgt

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 Service Details
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Current Service Status
USMC Retired
Current/Last Rank
Gunnery Sergeant
Current/Last Primary MOS
0911-Drill Instructor
Previously Held MOS
521-Basic Marine, Enlisted
2651-Special Intelligence Communicator
9917-College Degree - Enlisted
0369-Infantry Unit Leader
0933-Combat Marksmanship Coach
Primary Unit
2012-2014, 2nd Recruit Training Bn
Service Years
1989 - 2014
Official/Unofficial USMC Certificates
Cold War Certificate
Plank Owner Certificate
Operation Iraqi Freedom
Operation Enduring Freedom
Voice Edition

Gunnery Sergeant

Five Hash Marks


 Official Badges 

Green Belt French Fourragere

 Unofficial Badges 

Drill Instructor US Marines Corps Honorable Discharge Cold War Medal

 Military Association Memberships
Veterans of Foreign Wars of the United States (VFW)Marine Corps Association and Foundation (MCA&F)USMC Drill Instructors Association
  1991, Veterans of Foreign Wars of the United States (VFW) [Verified]
  2004, Marine Corps Association and Foundation (MCA&F) [Verified]
  2006, USMC Drill Instructors Association [Verified]

 Photo Album   (More...

  2006-2006, 0911, Drill Instructors School, MCRD PI, SC

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Drill Instructors School, MCRD PI, SC Unit Page
Staff Sergeant
0911-Drill Instructor
Parris Island, SC
United States
 Drill Instructors School, MCRD PI, SC Details

Drill Instructors School, MCRD PI, SC
Drill Instructor School is tasked with training the Marines that make Marines.

The mission of Drill Instructor School is to further develop the leadership, command presence, instructional ability, knowledge and physical condition of selected staff noncommissioned and noncommissioned officers to successfully perform the duties of a drill instructor.

The school not only prepares Marines for an arduous tour as a Marine Corps drill instructor, but it additionally hones their skills as professional warriors. The school takes great pride in the fact that our graduates will not only shape the future of the Marine Corps as they train future Marines, but when they return to the operating forces, they will be the Marines who will lead future efforts for our Corps. 

Drill Instructor School was formally established in October 1952 and over the years has increased its length from four weeks to the current 11 weeks. Although the course length has changed, the mission of the school has remained constant.

The focus of the instruction and training established in the course syllabus of the 1950s and 1960s is very similar to the program of instruction the school uses today. Emphasis is placed on standard operating procedures for recruit training, drill, physical fitness, general military subjects and instructional techniques. Overall, leadership is the cornerstone of the course. Ensuring each student has a sound foundation of the basic leadership traits and principles coupled with solid command presence will allow them to set the proper example for their recruits. 

Nine drill instructors, each a gunnery sergeant or staff sergeant, serve as squad instructors. These Marines have completed at least one tour as a drill instructor and each has been hand-picked to train and mentor the Corps' future drill instructors. In addition to serving as an instructor and subject-matter expert for a particular subject area, they are also assigned a squad of eight to 10 students, which they lead, mentor and counsel throughout the 11-week training cycle.

The director of Drill Instructor School is a major. The assistant director is a captain with experience in a recruit training company and serves as the primary instructor for the Series Commander Course.

The first sergeant for Drill Instructor School is a former drill instructor who uses his extensive experience to supervise and mentor the staff and fulfill the duties as the senior enlisted advisor at the school.



    The introduction of the pre-World War II campaign or field hat worn by Drill Instructors today originated during an advisory council meeting in 1956. Senior Noncommissioned Officers strongly recommended the adoption of better "headgear" for DIs.

    At that time, the khaki barracks cap had a bill, but didn't shade the eyes. The soft khaki garrison cap didn't have a bill, and the green herringbone cape worn with the field uniform was also inadequate in the summer sun. The pith helmet was a practical alternative for wear in the hot Carolina summer. It was cool and its wide brim provided good shade for the eyes and neck. It later became the hat used by marksmanship instructors at the rifle range.

    Further study indicated that the field hat was the item most preferred by DIs. It shaded the neck and eyes well, but did not keep the head as cool as the pith helmet. The field hat was a bit of tradition going back to the "Old Corps" or pre-World War II days. It also was more suitable for year-round wear than the pith helmet. By early June 1956, the Depot had requisitioned 1,000 field hats for delivery on Sept. 1, 1956, but General Wallace M. Greene Jr., wanted to order 700 hats immediately. On Saturday, July 21, 1956 at 7:30 a.m. all 603 drill instructors of the recruit training command obtained their new hats.


    The Commandant of the Marine Corps announced on Sept. 13, 1996, that all female Drill Instructors were authorized to wear the previously male-only "Smokey" field hat. The commandant's decision has answered the frequently asked question, "Why not?" It was first asked in 1976 when the first females graduated from DI School and again in 1983 when female DIs began wearing the scarlet shoulder cord. During their Sept. 26, 1996 graduation ceremony, female DI School graduates were issued field hats. A cord retirement ceremony took place Oct. 2, 1996, after which female DIs ceased wearing the scarlet cord and began wearing the cover. The commandant, General Charles C. Krulak, was on hand for the event.

    The final scarlet shoulder cord, the previous symbol of a female DI, was placed in the Parris Island Museum. Marines that wear the field hat, the campaign cover or the "Smokey" and train Marine Corps recruits must train recruits by the Drill Instructor Creed. The Creed was written in 1956 by Drill Instructors for Drill Instructors.
Garrison - Training Commands
Parent Unit
Service and Support Schools
Created/Owned By
Not Specified

Last Updated: Dec 23, 2011
Memories For This Unit

Best Friends
GySgt Correa

Best Moment
Finishing last book of teachbacks


Worst Moment
Struggling through all teachbacks

Chain of Command
Maj Moore, GySgt Bruno, GySgt Demalteris


Other Memories
PT on saturday morning....cramming teachbacks into your head....uniform inspections constantly....surprise ones too...best school i've ever been to.

My Photos For This Unit
No Available Photos
63 Members Also There at Same Time
Drill Instructors School, MCRD PI, SC

Putney, Brian, 1stSgt, (1994-2014) 0911 Gunnery Sergeant
Alvarez, Alberto, SSgt, (1997-2008) 0911 Staff Sergeant
Correa, Mark, GySgt, (1992-Present) 0911 Staff Sergeant
Norris, David, GySgt, (1997-Present) 0911 Staff Sergeant
Taylor, Keith, GySgt, (1992-Present) 0911 Staff Sergeant
Viggiani, Meghann, MSgt, (1998-Present) 0911 Staff Sergeant
Wilkie, Scott, SSgt, (2000-Present) 0911 Staff Sergeant
Goss, Gary, SSgt, (1998-Present) 0911 Sergeant
Hasbrouck, Rebekah, CWO3, (1999-Present) 0911 Sergeant
Hemenway, Scott, SSgt, (2002-Present) 0911 Sergeant
Isaacson, Jamie, Sgt, (2001-2008) 0911 Sergeant
Johnson, Cody, GySgt, (1996-Present) 0911 Sergeant
Stamas, Patrick, GySgt, (2000-Present) 0911 Sergeant
Taylor, Travis, GySgt, (2000-Present) 0911 Sergeant
Wilder, Amber, Sgt, (2002-2008) 0911 Sergeant
Benjamin Sr., LaShaun, 1stSgt, (1995-Present) 0911 Staff Sergeant
DeMalteris, Damien, 1stSgt, (1994-2009) 8511 Gunnery Sergeant
Dunbar, Donna, SgtMaj, (1989-2016) 8511 Gunnery Sergeant
Ellis, Ronnie, SgtMaj, (1995-Present) 8511 Gunnery Sergeant
Getty, Chasen, SgtMaj, (1989-Present) 8511 Gunnery Sergeant
JAMES, TONYA, MSgt, (1995-Present) 8511 Gunnery Sergeant
Muncy, Adam, MSgt, (1990-2007) 8511 Gunnery Sergeant
Williams, ??, 1stSgt, (1992-2008) 8511 Gunnery Sergeant
Aranda, Ildefonso, SSgt, (1996-2007) 8511 Staff Sergeant
Bennett, Michael, GySgt, (1997-2014) 8511 Staff Sergeant
Brooks, Jason, SSgt, (1998-2006) 521 Staff Sergeant
Cayson, Eric, GySgt, (1994-2007) 8511 Staff Sergeant
Chapman, Scott, GySgt, (1992-Present) 8511 Staff Sergeant
Davis, Anthony, GySgt, (1996-Present) 8511 Staff Sergeant
Fulford, Baron, SSgt, (1996-Present) 8511 Staff Sergeant
Juedes, Gregory, SSgt, (1992-2007) 8511 Staff Sergeant
Saenz, Edward, SSgt, (1997-Present) 8511 Staff Sergeant
Voegel, Mike, MSgt, (1994-Present) 8511 Staff Sergeant
Wasson, Robert, GySgt, (1997-Present) 8511 Staff Sergeant
Weller, Gary, GySgt, (1997-Present) 8511 Staff Sergeant
CADET, LUC, GySgt, (2000-Present) 8511 Sergeant
Castrellon, Jazmin, SSgt, (2000-Present) 8511 Sergeant
CLAY, TIMOTHY, 1stSgt, (1998-Present) 8511 Sergeant
Cruz, Justina, CWO2, (1998-2008) 8511 Sergeant
Danks, Jody, SSgt, (2001-2009) 8511 Sergeant
GILLON, STACY, 1stSgt, (1999-Present) 8511 Sergeant
Prahl, Ira, SSgt, (2002-Present) 8511 Sergeant
Salcedo, Eric, GySgt, (2001-Present) 8511 Sergeant
Terrell, Johnney, GySgt, (2000-2008) 8511 Sergeant
Hill, Thomas, GySgt, (1995-Present) 8511 Corporal
Hines, Darian, GySgt, (1991-2008) 1 0193 Gunnery Sergeant
Pearson Jr., Clement, 1stSgt, (1991-Present) 3 0369 Gunnery Sergeant
Juedes, Gregory, SSgt, (1992-2009) 18 1812 Staff Sergeant
Atkinson, Anthony, SSgt, (2002-Present) 6 0621 Sergeant
Cheek, Brian, GySgt, (2002-Present) 35 3521 Sergeant
Nelson, Trinity, SSgt, (2000-Present) 58 5831 Sergeant
Nichols, Anthony, Sgt, (2001-2006) 6 0621 Sergeant
STEPHENS, PETER, SSgt, (2002-2010) 55 5541 Sergeant
Vasquez, Cynthia, SSgt, (1997-Present) 1 0161 Sergeant
Fortune, Matthew, 1stSgt, (1990-Present) 8511 Gunnery Sergeant
Dinkins, William, 1stSgt, (1990-2008) First Sergeant
Kelly, Antonia, MSgt, (1988-Present) Master Sergeant
Leatherman, Robert, 1stSgt, (1997-Present) Staff Sergeant
Milford, Brock, 1stSgt, (1997-Present) Staff Sergeant

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