Meet The Highest Trained & Experienced Trainers On the Shore

R.S. Mitchell

  • Maryland State Police Qualified Handgun Instructor
  • Firearm Instructor for Police and Government Agency
  • NRA Training Counselor
  • NRA Certified Pistol, Rifle, and Shotgun Instructor
  • NRA Certified Muzzle Loading Pistol, Rifle, Shotgun Instructor
  • NRA Personal Protection Inside the Home
  • NRA Instructor Personal Protection Outside the Home
  • NRA Certified Home Firearm Safety Instructor
  • NRA Chief Range Safety Officer
  • NRA Refuse to be a Victim Instructor
  • Utah Concealed Carry Instructor
  • Maryland Wear and Carry Permit Instructor
  • Certified Instructor for FL / AZ / VA / DE / DC Concealed Carry Classes
  • Self-defense instructor for 50 years
  • Professional Glock Armorer
  • NRA Life / MSI / SAF
  • Professional Firearms Instructor in Pistol, Rifle Shotgun for Over 40 Years
  • USCCA Concealed Carry Inst, Defensive Shooting Fundamentals Instructor, Women’s Pistol Instructor, Active Shooter Response Instructor, Tactical First Aid Instructor
  • Mossad Ayoob – Mag 20, Mag 40, Deadly Force Instructor, Certified Expert Witness for Felony Assault Cases
  • IDPA and Three Gun Competitor

Timothy Otwell

Worked for 12 1/2 years as a trooper.

Started as uniformed patrol in Saint Mary’s and Anne Arundel County.

Progressed to patrol and shift supervisor, and headquarters duty officer managing statewide operations.

Served in Homeland Security and Intelligence, as well as Gang Intelligence.

Coordinated with various agencies at state and federal levels.

Certified train the trainer responsible for annual training for Maryland State Troopers, as well as training other agencies and civilians in Homeland Security, Gang Intelligence, and other law enforcement aspects.

Expanded training to include NRA Pistol, USCCA Pistol, Defensive Pistol, and AR Rifle training.

Established a Martial Arts School in Berlin, Maryland with his brother.

Shared passion for martial arts and belief in teaching self-discipline and perseverance to youth.

Offered scholarships to underprivileged children in the area.

Became a license holder and partner of BNB Security Services.

Partnered with RS Mitchell at Atlantic Tactical Firearms Trainers

Bryan Griffith

A seasoned professional in the realm of firearms training, serving as the Manager and Instructor at Atlantic Tactical Firearms Trainers. With an impressive array of certifications, including NRA Basic Pistol, NRA Certified Instructor, and NRA Certified Range Safety Officer, Bryan brings a wealth of knowledge to his role. Additionally, he holds the title of USCCA Instructor with certifications in Defensive Pistol and AR-15 Fundamentals, Emergency First Aid Fundamentals, also USCCA Range Safety Officer, AR-15 Armorer. With a 35-year background in firearms, encompassing hunting, and a tenure as the Firearms Department  Manager at Gander Mountain during its final 5 years of operation, Bryan combines extensive experience with a commitment to excellence in firearm education.

Larry Aldridge Jr.

Has  been an educator and school counselor in the Wicomico County school system for over 20 years. 

Along with being an educator he has also worked in the security field for over 2 decades working as both armed security as well as close personal security for for celebrities such as Michael Jordan.  Larry Has been a firearms instructor for a number of years.

Glen Biddle

GLEN BIDDLE is a NRA certified Instructor qualified to teach pistol, rifle, and shotgun courses and is also a NRA certified Range Safety Officer. Glen is a MD certified handgun instructor and comes to ATFT after recently retiring from teaching secondary history and social studies on the mid shore. Glen has a BA in political science and a MA in education administration from Salisbury University.


In addition to teaching, Glen is a 24 year veteran of the US Army and US Air Force where he was a combat arms instructor for both direct and indirect fire weapon systems and ran rifle, pistol, machine gun, mortar, and artillery live fire ranges as the OIC and RSO.

Dan Spotts

  • FBI Special Agent 1987-2017
  • Tours in Washington, DC, Chicago, Baltimore, Canada, Spain, UK, Netherlands, Belgium, Australia, Grenada
  • SWAT Operator/Breacher/Sniper
  • Hostage Rescue Team supplemental element (Sniper)
  • Certified Undercover Ops
  • Certified Covert Ops
  • Certified Close Quarter Battle
  • Certified Defensive Tactics
  • Case Agent on Largest White Collar Crime case in Maryland history
  • Case Agent on Largest Terrorism related case in Maryland history

Edward L. Torbert

Certified NRA Pistol Instructor in 2015. Certified NRA Range Safety Officer in 2018 MD QHIC Handgun Instructor Studied Isshinryu Karate in Salisbury under Tom Lewis. Awarded Black Belt in 1985 Conducted numerous self-defense demonstrations for area groups and clubs Frequent competitor in regional martial arts tournaments Worked in the Wicomico County Fire Marshal’s Office for 37 years. 15 years of fire/arson investigations. 22 years as Fire Marshal Received initial firearms training with Ocean City Police Summer Officer Academy Additional continuous firearms training and qualifications with the Wicomico County Sheriff’s Office Retired 2011. Currently Range Safety Officer at the Salisbury Gun Club Currently in my second term on the Board of Directors of the Salisbury Gun Club Currently the Legislative Liaison for the Salisbury Gun Club Past Master of Centennial Lodge #221 of Former Grand Inspector for the Grand Lodge of Masons in Maryland Taught Continuing Education Computer classes at WorWic Community College for 15 years Employed at Wicomico Youth & Civic Center on the Security and Event team staff Personal interests: photography, motorcycles, firearms, active in several community service groups

Gina M. Castagna

Gina M. Castagna came to the Ocean City area in 2001 after being born and raised in Baltimore City. Having degrees in both Criminal Justice and Sociology, she has served professionally in the environments of law enforcement, corrections, mental health and addictions, and domestic violence since she was 19 years old. Gina also owns her own local small business, and provides security throughout the Ocean City area for establishments, events, and celebrities. In between her multiple jobs, she also volunteers for several organizations – including the Worcester County Humane Society since 2009. Gina has been a part of the Atlantic Tactical Firearms Trainers team since 2019.

Paul Stoa

Former L.A.P.D. SWAT Team Member Maryland State Police Qualified Handgun Instructor NRA certified Pistol, Rifle, NRA Chief Range Safety Officer Utah Concealed Carry Instructor Maryland Wear & Carry Permit Instructor Certified Instructor for FL / AZ / VA / DE Concealed Carry Classes AR Armorer NRA Life / MSI / SAF