Survival instructor with hands visible wrapping paracord under studio overhead lighting, shelves of labeled gear canisters in shallow focus behind
Field-tested · Not sponsored
Survival · Preparedness

BUNKER

Skills weigh nothing.

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The Knowledge Base

FIVE SKILL CLUSTERS.
ZERO FILLER.

Every tile is a free lesson. Browse the depth before you decide if the checklist is worth your email address.

Water
Fire
Shelter
Medical
Comms
Blue water storage containers stacked in organized rows in a basement storage setup
Water

Cache & Rotate System

55-gallon drum rotation schedule that keeps 180 days of water fresh without chemicals.

Close-up of ferro rod striking sparks onto dark tinder bundle in dim outdoor lighting
Fire

Ferro Rod in Rain

Why your striker angle matters more than the rod itself.

Orange tarp shelter rigged between trees in a forest with rope tensioning system visible
Shelter

Tarp Rigging Angles

Six configurations from one 8×10 sheet.

Organized first aid kit contents laid out on dark surface showing tourniquet, gauze, and medical tools
Medical

IFAK Build Guide

Individual first-aid kit that fits in a cargo pocket and handles the first 90 minutes.

Ham radio handheld transceiver with programmed frequencies visible on screen against dark workshop background
Comms

Baofeng Setup

Program GMRS, NOAA, and local repeaters before the grid goes down.

Water filtration system with clear tubing and filter element on wooden workbench in natural light
Water

Gravity Filter Comparison

Sawyer vs Berkey vs DIY bucket — flow rates, maintenance, failure modes.

Organized basement storage with labeled shelves of supplies, emergency gear, and food storage containers
Shelter

Basement Hardening

Twelve changes that turn a storage space into a 72-hour refuge.

Hands splitting resinous fatwood with knife on rough wooden surface with wood shavings visible
Fire

Fatwood Identification

How to find, split, and store the best natural fire-starter in your region.

Medical supplies including irrigation syringe and wound care materials on clean dark surface
Medical

Wound Irrigation Protocol

The 60mL syringe technique that prevents infection when hospitals are unavailable.

Meet the Teacher

THE PERSON BEHIND THE PACK

Creator examining topographic map under headlamp illumination at a dark wooden workbench with gear visible in background

From the IFAK Build reel — 847K views

The first time I needed a tourniquet in the field, I was grateful I'd practiced the application forty times in my kitchen. Muscle memory doesn't care about adrenaline.

Bunker · Field Notes

Knife blade edge catching single overhead light beam against dark background with blurred gear shelf visible

From the Go-Bag Audit series — 1.2M views

A 72-hour bag that weighs 40 pounds is a 72-hour bag you'll leave behind. Everything in mine has been used, broken, replaced, and reconsidered.

Bunker · Field Notes

Field Manuals

SELECTED GUIDES

Browse all survival guides
Water storage containers and filtration equipment organized on basement shelving in soft workshop light
Water
Beginner

The 90-Day Water Storage Blueprint

A room-by-room audit of your home's water storage potential, with a rotation schedule that keeps every gallon potable without constant attention.

12 min read
Read Guide
Various fire-starting tools laid out on dark surface with dramatic single-source lighting highlighting metal tools
Fire
Intermediate

Seven Ignition Methods Ranked

Ferro rod vs. lighter vs. matches vs. bow drill — tested in rain, wind, and cold. The honest scorecard no gear review will give you.

9 min read
Read Guide
Three organized medical kit pouches of different sizes arranged on dark workshop surface showing tiered preparedness system
Medical
Advanced

Building the 3-Layer Medical Kit

Layer one fits in your pocket, layer two in your bag, layer three in your vehicle. A system that scales with your threat assessment.

15 min read
Read Guide
Free Download

THE 72-HOUR BAG CHECKLIST

Not a generic list from a prepper forum. This is what's actually in the bag after three years of field testing, two hurricane evacuations, and one wildfire near-miss.

Water: 1 gallon per person per day × 3 days
Fire: Ferro rod + backup lighter + tinder kit
Shelter: Emergency bivy + 550 paracord 50ft
Medical: IFAK with tourniquet + QuikClot
Comms: Baofeng UV-5R + NOAA frequencies
Food: 2,000 cal/day × 3 days, no cooking required
Navigation: Paper map + compass, no batteries
Power: 20,000mAh bank + hand-crank radio
+ 40 more items
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Free download: The 72-Hour Bag Checklist — field-tested, no filler

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