U.S. Marine Corps Lance Cpl. John D. Feemster, landing

U.S. Marine Corps Lance Cpl. John D. Feemster, landing support specialist with Combat Logistics Battalion 2, Combat Logistics Regiment 2, 2nd Marine Logistics Group, practices packing cargo during an Animal Packer course as a part of Mountain Training Exercise 1-21 at the Marine Corps Mountain Warfare Training Center in California on Oct. 1, 2020. The course teaches students to use mules to travel through difficult terrain with mission-essential gear. (U.S. Marine Corps photo by Cpl. Rachel K. Young-Porter)