Senior Constable Bruce Lamb's police dog Gage was fatally shot in what should have been a routine drugs search in a Christchurch house in July, 2010.
Gage leapt into the path of a bullet, helping to save the life of his handler and that of Constable Mitchell Alatalo, who was also injured during the incident in Buccleugh Street.
Gage's bravery and sacrifice was recognised today with the posthumous award of the PDSA Gold Medal.
Mr Lamb received the award on Gage's behalf in Christchurch from Governor-General Lieutenant General Sir Jerry Mateparae.
PDSA's Director-General Jan McLoughlin said: "When I first heard about what happened in Christchurch it struck me that, as the horrifying events unfolded, Gage must have been just as terrified as his human colleagues.
"Despite it ultimately costing his life, Gage continued to perform his duty and protected his handler, an act of bravery that epitomises the unique bond between man and dog, which should never be underestimated.
"The PDSA Gold Medal is only awarded for the most extreme acts of courage and dedication. Gage's actions and sacrifice on that day undoubtedly saved the life of Senior Constable Lamb. He is an exceptionally worthy recipient."
Mr Lamb said Gage was a strong and unique dog, and had been by his side constantly since he joined the police.
"The thing I regret most about that day, even though it was out of my control due to my injuries, was having to leave him on his own after he had laid down his life for me.
"Today's presentation is not just recognising Gage's sacrifice: it's also about honouring his life and courage. I'll forever be indebted to him."
Acting Police Commissioner Viv Rickard said the award acknowledged the 23 police dogs killed on duty, and the fact they're a "real important tool" for police.
Gage joins a list of 22 animal heroes internationally who have previously been awarded the prestigious medal for bravery and devotion to duty.
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