U.S. Marines with 1st Transportation Battalion, Combat Logistics Regiment 1, 1st Marine Logistics Group, pose for a photo at Dixon Lake Park, California, Feb. 5, 2021 - U.S. Marines with 1st Transportation Battalion, Combat Logistics Regiment 1, 1st Marine Logistics Group, pose for a photo at Dixon Lake Park, California, Feb. 5, 2021. Marines participated in a rock climbing event with Crux Wilderness Therapy, a nonprofit organization, to boost unit morale and camaraderie.