St. Mary's University 1 Camino Santa MariaSan Antonio, TX 78228 +1-210-436-3011 St. Mary's University logo William Joseph Chaminade St. Mary's University, Texas

Rattler Battalion Cadre

Lt. Col. John W. Lankford, Professor of Military Science

210-436-3415, ext. 1500

image of lankfordLt. Col. Lankford assumed position as the Professor of Military Science at St. Mary’s University in May 2015. After enlisting in the Army in 1990, Lankford completed basic combat training at Fort Jackson, South Carolina and advanced individual training at Fort Eustis, Virginia. He received his commission through the Officer Candidate School at Fort Benning, Georgia, in 2002 and is a graduate of Austin Peay State University (B.S.) and the University of Kansas (M.S.).

Commissioned into the Quartermaster Corps, Lankford has held a variety of duty positions from the tactical to strategic levels to include: Supply Support Activity Platoon Leader, Company Executive Officer, Battalion Maintenance Officer, Company Commander, Battalion Operations Officer, Test Support Officer, Aide-de-camp, Supply and Services Chief, Support Operations Officer and Battalion Executive Officer.

His military schooling includes: Cadre Faculty Development Course (University of Louisville), Command and General Staff College, Combined Logistics Captain Career Course, Quartermaster Officer Basic Course, Basic Noncommissioned Officer Course, Primary Leadership Development Course, Air Assault School and the Airborne School.

Lankford has served in Operation Enduring Freedom and Operation Iraqi Freedom and his assignments included: Alpha Company, 526th Forward Support Battalion, Fort Campbell, Kentucky; 15th Sustainment Brigade, 1st Cavalry, Fort Hood; Alpha Company, 15th Special Troops Battalion, 15th Sustainment Brigade, Fort Hood; Operational Test Command, Fort Hood; United States Forces – Afghanistan, Kabul, Afghanistan; 8th Theater Sustainment Command, Fort Shafter, Hawaii; 524th Combat Sustainment Support Battalion and 45th Sustainment Brigade, Schofield Barracks, Hawaii.

His awards include: Bronze Star Medal (Three Oak Leaf Clusters), Meritorious Service Medal (One Oak Leaf Cluster), Army Commendation Medal (Two Oak Leaf Clusters), Army Achievement Medal (Two Oak Leaf Clusters), National Defense Service Medal, Iraq Campaign Medal, Global War on Terrorism Expeditionary Medal, Global War on Terrorism Service Medal, Good Conduct Medal, Noncommissioned Officer Development Ribbon (Numeral Two), Army Service Ribbon, Overseas Ribbon (Sixth Award), NATO Medal (International Security Assistance Force), Army Superior Unit Award, German Armed Forces Efficiency Badge, Air Assault Badge and the Parachutist Badge. He is also a recipient of the Honorable Order of Saint Martin.

Lankford is married to the former Sharron Wilson and they reside in San Antonio with their two Labradors retrievers, Chase and Trooper.

Captain Tyler McCall, Senior Assistant Professor of Military Science

210-436-3415, ext. 1114

image of McCallCaptain McCall currently serves as the Senior Assistant Professor of Military Science and is responsible for the training and education of the MS II Cadets. He is from Waco and graduated from Baylor University with a B.B.A. in Finance in 2007. Commissioning in 2008 from the United States Army Officer Candidate School at Fort Benning, Georgia, McCall arrived to St. Mary’s University in January 2016.

Upon graduating from the Field Artillery Officer Basic Course in Fort Sill, Oklahoma, McCall served as a fire support officer and platoon leader while deployed in support of Operation Iraqi Freedom IX with Alpha Troop, Second Squadron, 13th Cavalry Regiment, Fourth Brigade and First Armored Division. He later deployed with Bravo Battery, Second Battalion, 29th Field Artillery Regiment and served as a battery executive officer and battalion fire direction officer in support of Operation Iraqi Freedom XI.

Upon graduation from the Field Artillery Captain’s Career Course at Fort Sill, he was assigned to Second Brigade Combat Team “STRIKE”, 101st Airborne Division (Air Assault) as the assistant brigade fire support officer. McCall deployed with First Battalion, 320th Field Artillery Regiment “TOP GUNS” and served as the assistant operations officer, the chief of operations, and assumed command of Alpha Battery in September 2014 in support of Operation Enduring Freedom XIV.

McCall’s awards include: Bronze Star Medal (One Oak Leaf Cluster), Meritorious Service Medal, Army Commendation Medal (Two Oak Leaf Clusters), Army Achievement Medal, National Defense Service Medal, Iraqi Campaign Medal, Afghanistan Campaign medal, Global War on Terrorism Medal, NATO-International Security Assistance Force Medal, Army Service Ribbon, Overseas Service Ribbon (second award), and the Air Assault Badge. He is a graduate of the Field Artillery Officer Basic Course, the Paladin Leader’s Course, the Field Artillery Captain’s Career Course, the Joint Firepower Course and Air Assault School.

McCall resides in San Antonio with his wife, the former Stephanie Nicole Highsmith of Houston, and their two daughters Maggie Claire (7) and Avery Grace (4).

Chez Varela, Assistant Professor of Military Science/Recruiting Operations Officer

210-436-3011, ext. 1517

Image of VarelaAfter service as an Air Force Space Command Communications Noncommissioned Officer, Retired Air Force Captain Augustine Varela Jr. entered the Reserve Officer Training Corps at University of Nebraska-Omaha. He was commissioned in 1990 and graduated with a Bachelor of Arts degree in Criminal Justice. Varela is a graduate of the Signal Corps Officer’s Basic Course, Signal Corps Advance Course, Combined Arms Services Staff School (CAS3), Commander’s Course and the Observer/Controller Trainer (OC/T) Course.

His military assignments include Cable Platoon Leader in Desert Storm/Desert Shield; Tactical Satellite Platoon Leader; Company Executive Officer; G6 Telecommunication Staff Officer for the 22nd Signal Brigade, V Corps; S6, 297th Military Intelligence Battalion,

Fort Gordon, Georgia; Allied Military Intelligence Battalion, NATO Headquarters, Sarajevo, Bosnia; Company Commander, Charlie Company, 447th Signal Battalion, Fort Gordon, Georgia; Active Component / Reserve Component (AC/RC) Operations Officer, 75th Training Support Division, Houston; and Chief, J6 Operations, Exercise, and Training Branch for NATO Joint Headquarters, Madrid, Spain. He is currently the Recruiting Operations Officer for St. Mary’s University.

His awards and decorations include: Meritorious Service Medal, Joint Service Commendation Medal, Army Commendation Medal (Three Oak Leaf Clusters), Air Force Commendation Medal, Joint Service Achievement Medal, Army Achievement Medal, Air Force Outstanding Unit Award, Air Force Good Conduct Award, National Defense Service Medal, Armed Forces Expeditionary Medal, Southwest Asia Service Medal (Three Campaign Stars), Kosovo Campaign Medal, Armed Forces Service Medal, Air Force NCO Leadership Ribbon, Army Service Ribbon, Overseas Service Ribbon, Air Force Training Ribbon, NATO Medal, Southeast Kuwait Liberation Medal, and the Kuwait LiberationMedal.

Varela resides in San Antonio and has one daughter, Augustina.

Jaime Roybal, Assistant Professor of Military Science


Lynette McDuffie, Human Relations Administrator

210-436-3415, ext. 1511


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