“It will be toward the end of December, beginning of January when they will be assigned their K-9,” O’Donnell added.
The three K-9s currently in the unit are Axe, Raider and Hammer.
Mattis is doing well at home in retirement, said Sgt. Mark Tappan, who was his handler during active duty.
Mattis has 265,000 Instagram followers and he’s featured in two books by Tappan available on Amazon, “My Dog Mattis” and “My Dog Mattis and the Barefoot Bandits.”