R.O.T.C. Programs At Uiw

Cadre Staff

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

(210) 436-3415, ext. 1500


Lt. 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


Captain 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).


Captain Aaron Frazier, Senior Assistant Professor of Military Science

fraiserCPT Aaron Frazier was born 15 March 1980 in San Diego, CA.  He enlisted on 5 August 1999 in the U.S. Army, attending basic combat training at Fort Knox, KY and Advanced Individual Training, in order to become a Chaplain Assistant, at Fort Jackson, SC.  After 10 years as a Chaplain Assistant, CPT Frazier attended Officer Candidate School at Fort Benning, GA and commissioned as 2LT in the U.S. Army Corps of Engineers in 2009. He received his Bachelors in Business Management from Baker College in Flint, MI and his Master’s in Business Administration from California State University San Marcos, his military education includes Primary Leadership Development Course, Basic NCO Course, Engineer Officer Basic and Advanced Courses, Brigade S1 Course, and the Human Resources Plans and Operations Course.

CPT Frazier’s assignments began as Platoon Leader for 1st Platoon, 73rd Engineer Company, 1st Stryker Brigade, 25th Infantry Division (1/25th SBCT) at Fort Wainwright, AK. After completing his time as platoon leader, he was reassigned as the Battalion S1 for the Brigade Troops Battalion, 1/25th SBCT and deployed to Masum Ghar, Afghanistan supporting 1,200 individuals from all branches of the U.S. Military to include Department of Agriculture Civilians. Next, he was the Operations Officer for the Engineer Directorate of ARCENT/3rd Army when he received his branch transfer from Engineer to Adjutant General and assisted the U.S. Army’s Soldier Support Institute in completing the Training Development Directorate’s Strategic Action Plan. His next assignment was with 3-501st Assault Helicopter Battalion, 1st Armored Division at Fort Bliss, TX.  CPT Frazier assumed duties as Assistant Professor of Military Science at St. Mary’s University on 15 September 2017.  

His military awards include the Bronze Star Medal (2 OLC), Meritorious Service Medal, Army Commendation Medal (8 OLC), Army Achievement Medal (10 OLC), Good Conduct Medal (3rd award), National Defense Service Medal, Armed Forces Expeditionary Medal, Afghanistan Campaign Medal (3 campaign stars), Iraq Campaign Medal (2 campaign stars), Global War on Terrorism Service Medal, Outstanding Volunteer Service Medal, NATO Medal (ISAF), and the Combat Action Badge.

He is married to  Heather , also a Personnel Captain in the U.S. Army they have one son, Jeremiah, who is 4 1/2 years old and a 10-year-old Terrier/Schnauzer mix named Toodles.


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

(210) 436-3011, ext. 1517


After 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

(210) 832-3210                                                                                                                                                                                                                                                      Office: NB # 146


Mr. James Roybal retired from the U.S. Army and Army National Guard in 2013 as a Lieutenant Colonel in the Transportation Corps.  Throughout his career he served as a truck platoon leader, Company Commander twice, S-3 Support Operations Officer, Assistant S-3, Battalion Executive Officer, Battalion Commander, Logistics Readiness Chief, Corp Trans Officer, G-4 Transportation Chief, and Public Affairs Officer.  

Following his retirement, he began working Senior ROTC as a contractor with the University of Texas San Antonio, Texas A&M University Corpus Christi, and finally with the Rattler Battalion at St. Mary’s University.  Mr. Roybal then ventured to Junior ROTC and served as the Senior Army Instructor at Carrizo Springs High School and McCollum High School in San Antonio, Texas. He has now returned to Senior ROTC with the Rattlers as the Assistant Professor of Military Science and the UIW Operations Officer. 

He is originally from Pecos, NM and received his education at New Mexico Highlands University.  Mr. Roybal and his wife Hilda have 7 children (Erika, Mathew, Tony, Nicolas, Elisha, Bryan and Teddy), and 5 grandchildren. Mr. Roybal enjoys spending time with his family and playing golf.


Carlos Rosales, Senior Military Instructor

Master Sergeant Carlos A. Rosales is a native of Los Angeles, CA. He enlisted in the Army in July of 1996 where he attended One Station Unit Training as a Cannon Crewmember at Ft. Sill, OK. He has served in 1st Howitzer Battery, 2nd Armored Cavalry Regiment, Ft. Polk, LA., 3rd Battalion, 7th Field Artillery Regiment, 25th Infantry Division, Schofield Barracks, HI., 4th Battalion, 42nd Field Artillery Regiment, 4th Infantry Division, Ft. Hood, TX., 1st Battalion, 79th Field Artillery, Ft. Sill, OK., 2nd Battalion, 320th Field Artillery Regiment, 101st Airborne Division, Ft. Campbell, KY., Creighton University Army ROTC, Omaha, NE., 5th Battalion, 3rd Field Artillery Regiment, 17th Field Artillery Brigade, Joint Base Lewis-McChord, WA., and is currently assigned to St. Mary’s University Army ROTC, San Antonio, TX.

MSG Rosales’ duty positions have included advance party man, Howitzer Gunner, Chief of Section, Gunnery Sergeant, Senior Drill Sergeant, Platoon Sergeant, Battalion Master Gunner, Battalion Operations Sergeant, Military Science Instructor (Creighton University), and HIMARS Battery First Sergeant. He is currently assigned as the Senior Military Instructor for St. Mary’s University Army ROTC.

MSG Rosales is graduate of the Primary Leadership Development Course, Basic Noncommissioned Officers Course, Drill Sergeant Course, Advanced Noncommissioned Officer Course, FA Master Gunner Course, Air Assault Course, Pathfinder Course, and the Cadre Facilitator Development Course.

MSG Rosales has participated in Operation Iraqi Freedom 2003-2004 and 2007-2008, Operation Enduring Freedom 2010-2011 in Afghanistan, and Operation Spartan Shield 2014-2015 in the United Arab Emirates.

MSG Rosales is married to the former Melissa A. Mann of San Antonio, TX. They have two daughters, Gabriella, age 5 and Abigail, age 2.


Kent Kraus, Human Relations Administrator

(210) 436-3415, ext. 1511


Kent Kraus enlisted in the Army as a cavalry scout in March 1977. He served at multiple duty stations around the world including Fort Knox, Kentucky; Schweinfurt, Germany; St. Louis, Missouri and Hohenfels, Germany.

He retired from the Army in September 1997 and became the Human Resources Administrator for the ROTC department at the University of Illinois in 2004. He transferred to St. Mary’s University in January of 2013.

Kent resides in San Antonio with his wife Hilda and they have one daughter, Captain Jennifer Kraus, who is stationed in Illinois.


Cadet Staff

CSM- …

Battalion Commander- Alyssa Gomez

Battalion Executive Officer- Daniel Oladejo

Alamo Co, First Sergeant- …

Alamo Co. Commander- Micah Carter

Cardinal Co, First Sergeant- …

Cardinal Co. Commander- Alex Gautreaux

S1- Kry Nichlany

S2- Erika Chapa

S3- Courtney Keif

S4- Rachel McNaughton

S5- Ashley Arnold

S6- Christopher Haby