SAN ANTONIO, Texas (April 7, 2022) A Master-at-Arms assigned to Naval Technical Training Center-Lackland demonstrated military working dog drills during at Navy Day at the Alamo. Navy Day at the Alamo is an annual Fiesta event, hosted by Naval Technical Training Center (NTTC)-Lackland, in which Navy units from around Joint Base San Antonio area demonstrate their mission set. (U.S. Navy Photo by Mass Communication Specialist 1st Class David Kolmel)