Coast Guard dog patrol, east coast, circa 1943.

“COAST GUARD WAR DOG: Snarling and snapping a defiant warning to any and all attempts of enemy spies and saboteurs to land on our shores…this brave canine member of the Coast Guard Dog Patrol symbolizes fighting spirit.”

Coast Guard Photo No. 816; date/photographer unknown.

Soldier from the 7th War Dog Platoon, gets some rest while his dog Butch keeps watch. Iwo Jima, 1945

US Marine Lance Cpls. Matthew Scofield (left), and Jarrett Hatley, a squad automatic weapon gunner and an improvised explosive device detection dog handler, rest next to Hatley’s dog Blue after clearing compounds with Afghan National Army soldiers, Jan. 4.

Military dog cemetery located at Fort MacArthur Museum, San Pedro, CA

A military police dog sits beside his issued protective gear.

STK105438M | © Stocktrek Images, Inc.

A military working dog and his handler spend time together.
STK105404M | © Stocktrek Images, Inc.