Tristan Retzlaff is on a mission to raise awareness for veteran suicide prevention. He’s currently raising money for “A Jarhead’s Journey,” during which he plans on hiking all 2,193 miles of the Appalachian Trail with his service dog Zoey, stretching from Georgia all the way up to Maine.

As Healing4Heroes continues to grow, their needs for the future also expand.

Hear about Healing4Heroes today: how many veterans and dogs they help and the training process.