Gunnery sergeant Christopher Willingham, of Tuscaloosa, Alabama, USA, poses with US Marine dog Lucca, after receiving the PDSA Dickin Medal, awarded for animal bravery, equivalent of the Victoria Cross, at Wellington Barracks in London, Tuesday, April 5, 2016. (AP Photo/Frank Augstein)

U.S. Marine dog receives highest animal honor

She is the first non-British animal to receive the honor.

Lucca, a 12-year-old German shepherd, was awarded the Dickin medal in London.

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The dog received the honor from The People's Dispensary for Sick Animals, a British charity.

The decoration is for bravery.

NBC News reported that Lucca completed over 400 missions sniffing for explosives and protecting troops in Afghanistan and Iraq.

None of her missions involved a human casualty.

Lucca's owner, Gunnery Sergeant Christopher Willingham, who lives with the dog in California, was with her at the ceremony.

"Lucca is very intelligent, loyal and had an amazing drive for work as a search dog," Willingham said in a statement. "She is the only reason I made it home to my family and I am fortunate to have served with her."

In March 2012, Lucca was injured in Afghanistan while on patrol with her other handler, Cpl. Juan Rodriguez.

She discovered a 30-pound explosive and was searching for more when another device exploded.

She ultimately lost her left front leg, but Rodriguez stuck by Lucca throughout her recovery.

BuzzFeed News reported that Lucca will spend the rest of her life with Willingham and his family.

WATCH: After completing 400+ missions in Iraq and Afghanistan, where she lost one of her legs, this US Marine has been awarded a top military medal.

Posted by NBC Nightly News with Lester Holt on Tuesday, April 5, 2016

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The Associated Press contributed to this report.