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Challenge Warriors Bios


Warrior Leadership Team:



billy-costello-everett-foisy-scuba-2013-450pxStaff Sergeant Thomas W. Costello was born in Lexington Park, Maryland, on February 22, 1982 and enlisted in the Army in November 2002, after graduating from Great Mills High School.  SSG Costello completed Basic Training and Advanced Individual Training at Ft. Jackson, South Carolina, and graduated from the Heavy Wheeled Vehicle Maintenance Mechanics Course.  From there, Billy went to Air4borne School at Ft. Benning, Georgia, where he earned his Jump Wings.  Upon completion of this training, SSG Costello was assigned to 1-72 Armor Battalion, Camp Casey, Republic of Korea.  SSG Costello volunteered for U.S. Army Special Forces Assessment and Selection in December 2004, and was selected to attend the Special Forces Qualification Course (SFQC) at the U.S. Army John F. Kennedy Special Warfare Center and School.  Upon completion of the SFQC he was assigned to Charlie Company, 4th BN, 3rd Special Forces Group (Airborne) as a Special Forces Engineer Sergeant.  Upon arrival to Charlie Company, he volunteered for the dive team and subsequently attended and passed the Combat Dive Qualification Course.  SSG Costello deployed with his Operational Detachment Alpha team attached to 2nd BN, 3rd SFG(A) in support of operations in… Read More


Chris Corbin - THENSergeant First Class Chris Corbin entered military service in July 1995. Prior to becoming a Green Beret with the 7th Special Forces Group (Airborne) he served in various other Army units such as the 3rd Brigade, 82nd Airborne Division, and the 1st Battalion, 75th Ranger Regiment.

On February 17th, 2011, Chris was on his 3rd tour in Afghanistan in support of Operation Enduring Freedom (OEF).   That day he was on patrol with his Operational Detachment Alpha (ODA) through a village in the Helmand Province, when he stepped on an Improvised Explosive Device (IED) and suffered injuries to both legs resulting in a Bilateral, Below-the-Knee (Bilat BK) amputation.

After stabilization Chris was immediately sent to Walter Reed Army Medical Center, where he underwent several surgeries; after which he embarked upon – what was thought to be – a long road to rehabilitation.

On July 15th, 2011, less than 5 months after his injury, he was medically cleared to Return to Duty (RTD) with the 7th Special Forces Group (A), where he is currently…Read More

David Caras

Justin Coleman

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