Preparing for Air Assault School
Ten days, and a meaningful share of the attrition happens on Day Zero — an obstacle course that is a grip test wearing a fitness test’s clothes.
Day Zero decides a lot of it
Air Assault is commonly called the ten toughest days in the Army, and a meaningful share of the attrition happens before day one properly begins. Day Zero is an obstacle course and a two-mile run, and people go home from it.
The obstacle course rewards grip, pulling strength and bodyweight control far more than running fitness. If you can run a fast two-mile but cannot get yourself over an obstacle under fatigue, Day Zero is where that shows.
The three phases
- Combat Assault — aircraft safety, aeromedical evacuation, pathfinder operations, hand-and-arm signals.
- Sling Load — the phase with the reputation. You inspect rigged loads and find the deficiencies, against a clock, and the standard is exacting.
- Rappel — knots, the rappel tower, and rappelling from an aircraft.
The course ends with a 12-mile foot march inside three hours with a 35-lb load. There is also a six-mile march earlier in the course.
You are given a rigged load, a short window, and a requirement to find a set number of deficiencies. Learning the inspection sequence cold beforehand is the single highest-value piece of preparation nobody does, because it is not physical and therefore does not feel like training.
What to arrive with
| Event | Workable | Comfortable |
|---|---|---|
| 12-mile foot march, 35 lb | 3:00 | 2:30 |
| 6-mile foot march, 35 lb | 1:30 | 1:18 |
| Two-mile run | 18:00 | 14:30 |
| Pull-ups | 5 | 15 |
Train the grip. Dead hangs, farmer’s carries, towel pull-ups, anything that keeps your hands working when they are tired — the obstacle course is a grip event as much as anything. Then build the ruck: three hours for twelve miles is a 15:00 mile, comfortable if you have built to it and grim if you have not.
Build the march, train the grip
Lensatic’s Air Assault plan pairs the foot-march progression with the pulling and grip work the obstacle course actually asks for. Road to 12 Miles builds the distance, rucks track by GPS with per-mile splits, and every strength set logs individually so the grip work is visible rather than guessed at.
See the plans Ruck pace calculatorQuestions
How long is Air Assault School?
Ten days, plus Day Zero at the front.
What is the 12-mile standard?
Three hours with a 35-lb load, as the graduation march.
What fails most people?
Day Zero’s obstacle course, and sling load inspection. The marches remove fewer people than either.
How much grip work should I do?
More than feels reasonable. Dead hangs and loaded carries several times a week for the two months beforehand pay off directly on the obstacle course.
Is this official?
No. Preparation guidance published by Deadlift Digital LLC, not affiliated with or endorsed by the Army or the Department of Defense.