Butch, cane-sentinella, a guardia di un soldato che dorme in trincea

(AP Photo/National Archives via National World War II Museum)

In this photo release by the National Archives via National World War II Museum, Butch, a sentry dog, stands guard over Pfc. Rez P. Hester of the Marine Corps 7th War Dog Platoon on Iwo Jima in this undated photograph from the National Archives. The photo will be part of an exhibit, titled “Loyal Force: Animals at War” at the National World War II Museum in New Orleans from July 22-Oct. 17.