U.S. Marines with Combat Logistics Battalion 453, 4th Marine Logistics Group, Marine Forces Reserve, review the final phases of Mountain Training Exercise 4-23 in the Combat Operations Center at Marine Corps Mountain Warfare Training Center, Bridgeport, California, June 21, 2023. The Logistics Combat Element conducted daily operations briefs discussing ground movements for the exercise. (U.S Marine Corps photo by Lance Cpl. Samwel Tabancay)

U.S. Marines with Combat Logistics Battalion 453, 4th Marine Division, prepare to conduct an animal pack hike during Mountain Training Exercise 4-23 at Marine Corps Mountain Warfare Training Center, Bridgeport, California, June 16, 2023. The animal packing portion of MTX is designed to teach Marines an alternate form of transportation that can be used to traverse mountainous terrain when other resources are not available. (U.S Marine Corps photo by Lance Cpl. Samwel Tabancay)

U.S. Marines with Combat Logistics Battalion 453, 4th Marine Logistics Group, Marine Forces Reserve, review the final phases of Mountain Training Exercise 4-23 in the Combat Operations Center at Marine Corps Mountain Warfare Training Center, Bridgeport, California, June 21, 2023. The Logistics Combat Element conducted daily operations briefs discussing ground movements for the exercise. (U.S Marine Corps photo by Lance Cpl. Samwel Tabancay)

U.S. Marine Corps Sgt. Eduardo Chavarria, an operations chief with Combat Logistics Battalion 453, 4th Marine Division, executes an animal pack hike during Mountain Training Exercise 4-23 at Marine Corps Mountain Warfare Training Center, Bridgeport, California, June 16, 2023. The animal packing portion of MTX is designed to teach Marines an alternate form of transportation that can be used to traverse mountainous terrain when other resources are not available. Chavarria is a native of Longview, TX. (U.S Marine Corps photo by Lance Cpl. Samwel Tabancay)