Imagine lying face down in a field for three straight days. You can’t stand up. You can’t scratch your face. There’s an ant crawling across your eyelid, and if you flinch even once, you could be dead. Inside your ghillie suit, it’s over 120°. Your muscles are screaming. And the worst part? You haven’t even fired a shot yet.

But for most sniper missions, that’s not the point. The shot is the easy part. Surviving the wait is what separates snipers from everyone else in the military. To understand what that wait actually looks like, you need to forget almost everything you’ve seen in movies. Hollywood shows a lone gunman perched on a rooftop, takes the shot, walks away.

The reality is nothing like that. I see you guys tracking, right? Army snipers almost always work in pairs, sometimes three-man teams. One shooter, one spotter. They share the workload, and more importantly, they share the suffering. Because the real job of a sniper isn’t pulling the trigger. According to instructors at the US Army Sniper School, the primary mission is reconnaissance, watching, waiting, and reporting enemy movements back to command.

Sometimes that means sitting in a position for three or four days without engaging a single target. So, how do you survive 72 hours in what is essentially a wearable oven made of burlap and jute? It starts before the mission even begins. The ghillie suit itself is a piece of work. Most military snipers build their own by hand. A process that can take weeks.

The base is usually a set of battle dress utilities with netting sewn onto the back. Strips of burlap, jute twine, and synthetic fibers are hand-tied to the netting in patterns that break up the human silhouette. The front of the suit is left bare and reinforced with heavy-duty Cordura fabric because snipers spend most of their time crawling on their stomachs.

But the part that surprises most people is how brutal they are to actually wear. Even in moderate weather, the temperature inside a ghillie suit can exceed 50° C. That’s about 122° F. They trap heat, they trap moisture, and they’re heavy. Especially once you add local vegetation, which you have to do because pre-made camouflage doesn’t match the environment.

And that vegetation wilts after a few hours, so it has to be quietly replaced without giving away your position. Once a sniper team reaches their hide site, whether it’s a shallow depression dug into the ground or a natural feature like a ditch or fallen tree, the real discipline kicks in. They establish a rotation for everything.

One person watches while the other rests. They alternate who’s behind the scope and who’s logging observations. According to the Army’s own field manual, the team sets up a system for observing, eating, resting, and even latrine calls before they settle in. Every single bodily function is planned. Sleeping in a sniper hide is nothing like actual sleep.

You’re not lying on a mattress. You’re flat on the ground, often on your stomach, in the same ghillie suit you crawled in with. Your partner stays awake scanning the area through optics while you grab 20 or 30 minutes at a time. You never fully switch off because the slightest noise could mean an enemy patrol is walking toward you.

One veteran recalled how a sniper team was caught sleeping at the same time on a mission when a colonel walked up on their observation post undetected. Both of their sniper careers ended on the spot. Then there’s eating. Snipers carry MREs, the military’s standard field rations, but they can’t heat them.

The chemical heaters produce a smell that especially if someone’s been in the field for days without food and their senses are heightened. So, everything is eaten cold. Some snipers prefer energy gels and dry trail food because they’re quieter to open and produce less waste. You eat slowly, deliberately, keeping your profile as flat as possible.

And then there’s the part everyone wants to know about. The bathroom situation. There’s no polite way around it. When you’re pinned in a position and can’t move, your options are limited. For urination, the standard trick is rolling slightly to one side. Many snipers carry wide-mouth Gatorade bottles specifically for this purpose because the opening is large enough to use without much movement.

For everything else, the MRE bags get repurposed. The golden rule, especially in special operations, is to leave no trace. That means everything goes into a bag and gets carried out. Not because of hygiene, but because human waste leaves a scent signature that tracking dogs can pick up from a distance.

During the first Gulf War, British SAS teams carried all urine out in jerrycans for exactly this reason. Some teams manipulate their diet before insertion to reduce the need entirely. Certain MRE items were known among soldiers for slowing digestion. And more than a few snipers have admitted to barely eating in the days before a mission just to avoid the problem.

The legendary Marine sniper Carlos Hathcock understood this kind of discipline better than anyone. During the Vietnam War, he volunteered for a mission to eliminate an enemy general. He crawled over 1,500 yd of open field over the course of four days and three nights without sleep. He moved on his side to keep his trail narrow, inching forward so slowly that enemy patrols walked within arm’s reach of him without noticing.

At one point, a venomous snake nearly slithered across his body, and he stayed perfectly still. He took a single shot that hit the general in the chest from 700 yd. Then he crawled back out the same way. It took three more days. The enemy searched for him the entire time and never saw him. We break down stories like this every week.

If that’s your thing, subscribe. But the hardest part of the 72 hours isn’t physical, it’s mental. Imagine ants crawling across your face and knowing you can’t swat them. Imagine a mosquito biting your eyelid while an instructor with high-powered optics is scanning for any movement. At Sniper School, candidates have to crawl through training lanes so slowly that they cover about 5 ft per hour.

One wrong twitch, one glint of sunlight off a rifle barrel, and you fail. In one class at the Army Sniper School, 46 candidates started the 7-week course. Only four graduated. The instructors at Sniper School have a saying that sums up the whole experience. Stalking, they say, requires a high tolerance for discomfort.

That might be the biggest understatement in the entire military. Because what they’re really describing is the ability to override everything your body is telling you for 72 hours straight while wrapped in a suit designed to make you invisible. Not the flashy, one-shot, one-kill fantasy, just patience, suffering, and the kind of quiet toughness that never makes it into the movies.

There’s another one on screen right now if you’re not done yet.