Lance Cpl. Sam Enriquez, a military working dog handler with 3rd Law Enforcement Battalion, stationed in Okinawa, Japan, and his K-9 partner Kally, take part in night operations training during the Inter-service Advanced Skills K-9 course, at the U.S. Army's Yuma Proving Ground, Sept. 24. Enriquez and 18 other military police K-9 handlers from the Army, Navy and Marine Corps, took part in the advanced pre-deployment course. Since the rigors and dangers of combat don't end when the sun sets, neither does the training the teams go through. (U.S. Marine Corps photo by Cpl. Aaron Diamant)

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