Ranger Handbook

Ranger Handbook — Interactive Field Toolkit & Reference

The complete U.S. Army Ranger Handbook (TC 3-21.76, September 2025) — every chapter, figure, and table — plus interactive tools that turn the doctrine into something you can drill, calculate, and quiz yourself on. Built for RASP candidates, Ranger School students, ROTC cadets, and any leader who needs it cold.

The handbook and the practice quiz are free. An optional one-time $2.99 unlock adds the field calculators, request builders, the full Creed Trainer, search, and bookmarks.

No ads. No data sharing. No subscription. One optional one-time purchase.

FREE — THE COMPLETE HANDBOOK
Every section of TC 3-21.76, organized exactly as published:
• Ranger history and the legacy of Rogers's Rangers
• Leadership, Operations (TLP + OPORD), Fire Support, Communications, Demolitions
• Movement, Patrols, Battle Drills, Military Mountaineering
• Machine Gun Employment, Urban Operations, Waterborne, Mounted Patrol, Aviation
• Tactical Combat Casualty Care
• Training boards, IED/UXO card, DA Form 5517 range card, 9-line MEDEVAC
• All 72 acronyms with Army/joint definitions
• Bonus reference: Land Navigation, Weapons, Survival (SERE), Cold Weather Operations

FREE — PRACTICE QUIZ
Test yourself with randomized, scored questions pulled from the handbook — troop leading, patrolling, battle drills, medical, fire support, leadership, survival, and Ranger history. Instant feedback, wrong-answer review, and a tap straight to the source section.

FREE — QUICK ACCESS WHEN IT COUNTS
One tap to MARCH, 9-Line MEDEVAC, Call for Fire, TLP Steps, OPORD Format. The things you'll actually pull out the phone for.

FREE — FIELD-READY
• Fully offline — no signal, no problem
• Dark, low-light interface
• Pinch-to-zoom on every figure and table
• Try Stanza 1 of the Creed Trainer free in any mode

STUDY TOOLS UNLOCK — $2.99 ONE-TIME
Interactive tools an e-book can't give you:
• Field calculators — pace count, mil-relation range estimation, and back-azimuth / grid-magnetic conversion
• Request builders — fill in and share a formatted 9-Line MEDEVAC, Call for Fire, or SALUTE report
• Full Creed Trainer — all 6 stanzas in Study, Recite (scored), Cards, and Fill-In modes
• Handbook search — find any topic across every chapter
• Bookmarks — save sections for one-tap access

FIGURES AND TABLES INCLUDED
All 143 source figures — formations, battle drills, knots, ambush diagrams, range cards — extracted directly so they match the printed handbook. 15 reference tables covering machine gun specs, mortar and artillery capabilities, radio characteristics, demolition explosives, and evacuation precedence.

SOURCE TEXT, NOT A REWRITE
Every section includes the verbatim TC 3-21.76 prose alongside scannable quick-reference summaries. You get both — the doctrine as written, and the key points distilled for fast lookup.

A study and reference tool. Always verify against current published doctrine.
This app is an independent reference tool based on TC 3-21.76, a U.S. Government publication in the public domain. It is not affiliated with, endorsed by, or sponsored by the United States Army, Department of Defense, or any government agency.

Recent changes:
The rating button on the home screen now opens the store page so you can leave a review. The app also waits until you have used it on a few different days before asking for a rating.