EditorialWith temperatures in the high 30s and low 40s, Marine recruits are brought into a warming hut to make sure no one has hypothermia or frostbite during the Crucible, a grueling 54-hour field exercise, at Parris Island, S.C., on Feb. 20, 2020. (Hilary Swift/The New York Times)
EditorialWith temperatures in the high 30s and low 40s, Marine recruits are brought into a warming hut to make sure no one has hypothermia or frostbite during the Crucible, a grueling 54-hour field exercise, at Parris Island, S.C., on Feb. 20, 2020. (Hilary Swift/The New York Times)
EditorialWith temperatures in the high 30s and low 40s, Marine recruits are brought into a warming hut to make sure no one has hypothermia or frostbite during the Crucible, a grueling 54-hour field exercise, at Parris Island, S.C., on Feb. 20, 2020. (Hilary Swift/The New York Times)