U.S. Marine Capt. Whit Swafford, a logistics officer

U.S. Marine Capt. Whit Swafford, a logistics officer with Marine Corps Mountain Warfare Training Center, instructs Marines and Sailors about mountain survival for Mountain Exercise 2-18 at Marine Corps Mountain Warfare Training Center, Bridgeport, Calif., March 10, 2018. The classes were to familiarize the Marines and Sailors in pre-environmental training and to improve the training standard in cold weather and mountainous environments while also increasing survivability and proficiency. (U.S. Marine Corps photo by Sgt. James Treviño)