An army dog stands up as retiring soldiers salute their guard post before retirement in Suqian, Jiangsu province, China on November 29, 2017. (Photo by Reuters/China Stringer Network)

A dog is seen at the entrance of a house in the flooded residential area of Villeneuve-Saint-Georges, near Paris, France January 26, 2018. The Paris region has been deeply affected by the floods that hit the country over the past week, but in Paris, it was business as usual. (Photo by Christian Hartmann/Reuters)

Chilean police officers march with the puppies of future police dogs during the annual military parade at the Bernardo O'Higgins park in Santiago, Chile, September 19, 2018. (Photo by Rodrigo Garrido/Reuters)

This unique collection of photographs shows the concentrated faces of dogs just before catching their beloved treats. Professional photographer Christian Vieler, from Germany, shot the latest series of his “Dogs Catching Treats in Trouble” collection with hilarious results. Here: Hudson the Rhodesian Ridgeback. (Photo by Christian Vieler/Caters News Agency)

View of an American marine as he lies in a foxhole and whistles at a husky, one of the scouting dogs used during the landing on Guam, August 1944. (Photo by W. Eugene Smith/Time & Life Pictures/Getty Images)

A goggle-wearing dog is strapped to a motorcycle driver's back as they wait at a stoplight in Bogota, Colombia, Wednesday, October 9, 2024. (Photo by Fernando Vergara/AP Photo)

A dog named Luna wears a dracula costume during a Halloween pet party at a mall in Valenzuela city, Philippines on Saturday, October 19, 2024. (Photo by Aaron Favila/AP Photo)

In this photo taken with a long exposure, a person walks a dog past Christmas lights in a park, Sunday, December 15, 2024, in Lenexa, Kan. (Photo by USA Today)