MEET Ace the elite protection dog - who can jump through second-storey windows to take down armed intruders. 

The three-year-old American pit bull can even recognise a variety of weapons, including handguns and knives, and could 'easily kill a man' if commanded to. 

Ace is top dog at Dark Dynasty K9s - who specialise in training executive protection dogs for the police, celebrities and billionaire clients around the world. 

It takes years of...

training for a pit bull to reach this level and Marlon has been training Ace five times a week for the last three years - as well as constant interaction - at his facility in New Hampshire, USA. 

Watch the video below and share it with your friends on Facebook! 

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