Army recruits must withstand five minutes of tear gas exposer during basic combat training. | Business Insider

Students at the US Army Sniper Course at Fort Benning participate in stalk mission exercises to prepare for real-world missions. They must stealthily navigate through wooded terrain without being spotted by instructors walking around them and scanning with binoculars from afar. After covering their ghillie suits with natural vegetation to blend in with their environment, students have two hours to reach their objective, but they can be penalized by instructors if they’re caught moving improperly