LTC Sean M. Castilla took command of 3rd Battalion, 8th Calvary Regiment, 3rd Brigade, 1st Calvary Division at Fort Hood, Texas on May 20, 2022.
Sean Castilla is from McAllen, Texas. He is a graduate of University of Texas and was commissioned as an Armor officer in the US Army in May of 2006 from St. Mary’s University.
His awards include: the Bronze Star Medal, the Purple...
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