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IMAGES: BPD K9 pup hopes to join force

Updated:

BOSTON (MyFoxBoston.com) -- A photo of a German Shepherd puppy in a K-9 vest has gone viral after a group that equips the dogs to work in law enforcement posted it to their Facebook page.

The puppy, named Tuco, according to Boston Magazine, is nine weeks old and is being trained by Patrol Officer Troy Caisey, the head trainer of the Boston Police Department's K-9 unit. The photo shows Tuco looking up at Officer Caisey, as the officer holds the vest he will one day grow into.

Massachusetts Vest-A-Dog is a nonprofit organization that has provided the BPD K-9 unit with first aid kits and 26 vests since 2000.

The photo was posted to Facebook Sunday as part of fundraising and awareness about a Massachusetts police dog calendar. Proceeds from the calendar sales will fund vests, equipment, training and dogs for Massachusetts law enforcement.