Jeff Hutchins places a stone for his son Andrew Hutchins, along with Morgan Anderson, left, as The Summit Project hikers reach the top of Cadillac Mountain in Acadia National Park on Nov. 22.

The Summit Project hikers gather at the trailhead to Cadillac Mountain in Acadia National Park on Nov. 22. Each member carried at least one stone dedicated to a fallen soldier, and at the summit of Cadillac Mountain, spoke about the soldier's life to commemorate their memories.

Dylan Harris walks along the trail to Cadillac Mountain in Acadia National Park on Nov. 22. Harris carries a rock in memory of his brother Dustin Harris. He found the rock in his grandfather's potato fields. Dustin Harris was a veteran of Operation Iraqi Freedom.

Jeff Hutchins leads a line of hikers participating in The Summit Project along the trail to Cadillac Mountain in Acadia National Park on Nov. 22.

Em Malone adjusts a crampon along the hike to Cadillac Mountain at Acadia National Park.

Andrew Coleman nears the summit of Cadillac Mountain in Acadia National Park on Nov. 22.

Andrew Mishio's rucksack offers some advice during The Summit Project hike to the summit of Cadillac Mountain in Acadia National Park.

Andrew Mishio, left, Dylan Harris, center, and Em Malone near the summit of Cadillac Mountain in Acadia National Park on Nov. 22.

The Summit Project is an ongoing tribute to Maine's deceased servicemen and women.

Em Malone arranges the stones commemorating fallen service members at the summit of Cadillac Mountain in Acadia National Park on Nov. 22.

Rocks left by hikers participating in The Summit Project commemorate lost military service members at the summit of Cadillac Mountain in Acadia National Park.