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Attendees watch as Kuno and Rico, 2nd Security Forces Squadron military working dogs, are honored during a retirement ceremony at Barksdale Air Force Base, La., March 16, 2018. Once assigned to a unit, most MWDs spend their entire careers there. (U.S. Air Force photo by Airman 1st Class Tessa B. Corrick)

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Senior Airman Jesse Terrigino, 2nd Security Forces Squadron military working dog trainer, removes a collar off Kuno, 2nd SFS MWD, before he receives his retirement collar at Barksdale Air Force Base, La., March 16, 2018. Kuno, a 10-year-old Belgian Malinois, started his military service in February 2010. (U.S. Air Force photo by Airman 1st Class Tessa B. Corrick)

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Maj. Ryan Natalini, 2nd Security Forces Squadron commander, pins an Air Force Commendation Medal on Kuno, 2nd SFS military working dog, during a retirement ceremony at Barksdale Air Force Base, La., March 16, 2018. During his service, Kuno provided numerous hours of explosive detection, random anti-terrorism measures and public demonstrations, among many other jobs. (U.S. Air Force photo by Airman 1st Class Tessa B. Corrick)

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Rico, 2nd Security Forces Squadron military working dog, sits after receiving his Air Force Commendation Medal during a retirement ceremony at Barksdale Air Force Base, La., March 16, 2018. Rico, a nine-year-old German Shepherd, began his military service in April 2010. (U.S. Air Force photo by Airman 1st Class Tessa B. Corrick)

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Staff Sgt. Stephen Lammers, 2nd Security Forces Squadron kennel master, gives a piece of steak to Kuno, 2nd SFS military working dog, during his retirement ceremony at Barksdale Air Force Base, La., March 16, 2018. During the ceremony, current and former MWD handlers were welcomed to offer the newly retired MWDs a piece of steak to commemorate their first official meal as retirees. (U.S. Air Force photo by Airman 1st Class Tessa B. Corrick)

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Senior Airman Jesse Terrigino, 2nd Security Forces Squadron military working dog trainer, assists Kuno, 2nd SFS MWD, during his last official bite drill during his retirement ceremony at Barksdale Air Force Base, La., March 16, 2018. MWDs share a unique bond with their handlers. That bond allows them to work as a successful team while preforming the MWD duties throughout their careers. (U.S. Air Force photo by Airman 1st Class Tessa B. Corrick)

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Military working dog collars lie on a table after they were removed during a MWD retirement ceremony at Barksdale Air Force Base, La., March 16, 2018. MWDs are responsible for many roles from protecting distinguished visitors to counter drug operations and force protection missions. (U.S. Air Force photo by Airman 1st Class Tessa B. Corrick)

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Senior Airman Jesse Terrigino, 2nd Security Forces Squadron military working dog trainer, pets Kuno, 2nd SFS MWD, after the completion of Kuno’s retirement ceremony at Barksdale Air Force Base, La., March 16, 2018. Kuno was adopted by Terrigino and is staying with him for the rest of his life. (U.S. Air Force photo by Airman 1st Class Tessa B. Corrick)