Members of the Special Warfare Training Wing conduct a memorial ruck march in honor of Lt. Col. William Schroeder on April 7, 2023 on Joint Base San Antonio-Lackland, Chapman Training Annex, Texas. Schroeder is credited with saving the life of his first sergeant and potentially many others on April 8, 2016 during an active shooter event. (U.S. Air Force photo by Jennifer Gangemi)
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