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SAPPER
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The Sapper Handbook

14th Engineer Battalion · Fort Leonard Wood

The handbook used at Sapper Leader Course. Demolitions, knots, one-rope bridge, patrolling, battle drills, combat lifesaver tasks, land nav, and the full SLC task list. If you're prepping for SLC or just want to live at that standard — this is the document.

Skill Level 1 — Soldier Tasks Foundation
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Soldier's Manual of Common Tasks SL1

STP 21-1-SMCT

Every SL1 soldier task — first aid, land nav, communications, weapons, MOPP, reports. The SL1 bible. Every 12B starts here.

Pending Upload

Combat Engineer Soldier's Manual

STP 5-12B14-SM-TG

Soldier's Manual and Trainer's Guide for 12B — every task, condition, and standard for Combat Engineer SL1 through SL4. The 12B-specific task guide.

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Engineer Field Data

FM 5-34 · Change 3 · 2003

The complete engineer pocket reference — demolitions tables, charge calculations, breaching formulas, obstacle data, bridging load class tables. 24 pages. Carry this always.

Demolitions Charges · Firing Systems · Calculations
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Engineer Field Data — Demo Chapters

FM 5-34 Ch. 2–5

Demolition materials, charges, firing systems, calculations, and special applications. Everything from C4 cratering to cutting charges to firing circuits.

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Military Explosives

TM 9-1300-214

Technical manual for military explosives — physical and chemical properties, performance data, handling for C4, TNT, PETN, RDX, and all standard compositions.

Pending Upload

Demo Cards — Quick Reference

Unit Training Aid

Field-expedient demo charge cards — M112 C4, M183 satchel, M2 kit, detonating cord, priming systems. The laminated card every demo NCO carries.

APD Link

Combined Arms Breaching Operations

ATP 3-90.4

The doctrinal breaching reference — lane construction, the breaching triad, mechanical and explosive integration, Reduce-Proof-Mark-Report.

Map Reading & Recon Land Nav · Terrain Analysis · Route Recon
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Map Reading and Land Navigation

TC 3-25.26 · Part 1

The complete land nav manual — grid coordinates, azimuths, terrain association, pace count, compass use, night navigation. SL1 through advanced.

APD Link

Engineer Reconnaissance

ATP 3-34.81

Route, bridge, and area reconnaissance procedures for engineers. Classification reports, trafficability analysis, recon team organization and techniques.

APD Link

Geospatial Engineering

ATP 3-34.80

Terrain analysis, geospatial data collection, map production support. The engineer recon and terrain team reference for supporting maneuver planning.

Patrolling Recon · Combat · Security · OPORD
APD Link

Infantry Platoon and Squad

ATP 3-21.8

The infantry platoon and squad reference — patrol bases, recon patrols, combat patrols, ambushes, raids. Every engineer running patrols needs this cold.

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Ranger Handbook

TC 3-21.76

The Ranger Handbook — battle drills, patrols, demolitions, communications, first aid, survival. Used at Sapper Leader Course. Own this. Read it. Repeat.

APD Link

Engineer Operations

FM 3-34

Engineer operations across all echelons — mobility, counter-mobility, survivability, general engineering. The full operational engineer picture.

Knots & Rigging Rope Work · Checkpoints · Purpose
Pending Upload

Knot Tying — Field Reference

Visual Reference Card

Square knot, bowline, clove hitch, figure-8, Prusik, water knot, sheet bend, rappelling knots. Checkpoint and purpose for each. Laminate and carry.

Pending Upload

Rigging Operations

TC 4-11.34 / FM 5-125

Rigging fundamentals, load calculations, sling legs, choker hitches, crane and helicopter sling load operations. Combat engineer rigging tasks.

Pending Upload

One-Rope Bridge & River Crossing

FM 3-97.61 / SLC Task

One-rope bridge construction, tensioning, and crossing. D-ring and snaplink techniques. Required task at Sapper Leader Course. Know it cold.

Mobility · Counter-Mobility · Survivability The Three Engineer Missions
APD Link

Engineer Operations — M/CM/S

FM 3-34 · December 2025 (Current)

Full treatment of mobility (breach, gap crossing, route clearance), counter-mobility (obstacles, minefields, FASCAM), and survivability (positions, hardening). Most current version.

APD Link

Survivability Operations

ATP 3-37.34

Protective construction, fighting positions, hardened command posts, overhead cover calculations. Dig-in standards from hasty to deliberate.

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Obstacle Integration

FM 90-7 · Change 1 · 2003

The most detailed obstacle planning reference — FASCAM employment, wire obstacles, AT ditches, abatis, minefields. Still the go-to for counter-mobility planning.

Pending Upload

Counter-Mobility Operations

ATP 3-90.8

Dedicated counter-mobility ATP — obstacle planning, minefield employment, wire obstacles, and integration with maneuver. Current doctrine.

Radio & Communications Setup · PACE · Etiquette · Frequencies
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Techniques for Tactical Radios

FM 6-02.53

Radio setup, net calls, radio checks, SINCGARS and Harris radio operation, COMSEC, fill procedures, and voice procedure. The comms soldier's radio reference.

Pending Upload

Radio Operator's Handbook — Quick Ref

PACE · Pro-Words · Net Discipline

PACE plan construction, prowords (WILCO, ROGER, BREAK, OUT), net discipline, radio check procedures, and proper radio etiquette. SL1 comms standard.

Pending Upload

SINCGARS Radio Operations

TM 11-5820-890-10-8

SINCGARS operator manual — loading frequencies, COMSEC fill, single-channel and frequency-hopping modes. Still the primary FM voice radio in the force.

Bridging & Gap Crossing MGB · IRB · Float · Assault
APD Link

Engineer Brigade in Combined Arms Ops

FM 3-34.2

Assault bridging, wet gap crossing, ribbon bridge, and float bridge employment at brigade and below. The 12C operations reference.

Pending Upload

Medium Girder Bridge — Operator

TM 5-5420-212-10

MGB erection, launching, site selection, and load classification. The 12C's hands-on bridge guide. Know your class 60 and 70 tables cold.

Pending Upload

Improved Ribbon Bridge — Operator

TM 5-5420-234-10

IRB bay assembly, rafting operations, bridging operations under fire, and site requirements. Wet gap crossing doctrine and hands-on procedures.

IED · EOD · Route Clearance Recognition · Defeat · Clearance Procedures
Pending Upload

Route Clearance Operations

ATP 3-90.119 / CALL Handbook

Route clearance TTP — Husky/Buffalo/RG-31 integration, IED patterns, report formats, react-to-contact drills, EOD handoff procedures. Hard-won doctrine.

Pending Upload

IED Defeat — JIEDDO Reference

Counter-IED Operations

Attack the network, defeat the device, train the force. IED defeat cycle, pattern analysis, reporting formats (SPOT report, IED report). JIDA/JIEDDO unclassified doctrine.

Pending Upload

5 & 25 Meter Checks

SOP · Dismounted IED Clearance

5-meter and 25-meter visual IED checks before mounting/dismounting. Pattern of life, ground sign, disturbed earth, command wire indicators. Drill this until it's automatic.

Pending Upload

React to IED / React to Contact

Battle Drill · Route Clearance

React to IED strike, secondary device awareness, 300-meter rule, MEDEVAC 9-line, cordon and search integration. The drill every route clearance soldier runs cold.

Pending Upload

EOD Support to Route Clearance

EOD/CE Integration TTP

EOD team integration with CE route clearance platoons. Handoff procedures, render-safe operations, post-blast analysis, evidence collection, and reporting chain.

Mechanized Engineer Vehicle TMs · Weapons · Systems
Pending Upload

AVLB — Armored Vehicle Launched Bridge

TM 5-5420-202-10

Launcher and bridge system on the M60A1 chassis. Emplacement, retrieval, load class, and site selection. Gap crossing under fire. The 12C's assault bridge platform.

Pending Upload

ABV — Assault Breacher Vehicle

TM · M1A2 Chassis

Full-width mine plow and twin MICLIC rockets on M1A2 armor. The tip of the combined arms breach. ABV operator TM — minefield lane clearing, charge firing, MCB operations.

Pending Upload

Buffalo MRAP — Route Clearance

TM 9-2355-457-10

Buffalo A2 operator manual. V-hull MRAP with articulating arm for IED investigation. Route clearance platform — arm operation, camera systems, and survivability features.

Pending Upload

Husky VMMD

TM 9-2355-316-10

Husky Vehicle Mounted Mine Detector operator manual. Ground-penetrating radar and metal detection systems. Route clearance lead vehicle — operating procedures, sensor maintenance.

Pending Upload

M113A3 Armored Personnel Carrier

TM 9-2350-277-10

M113A3 operator's manual. Still in the engineer force — mobility, survivability, and engineer support missions. Driving, maintenance checks, and weapons operation.

Pending Upload

M2A3 Bradley Fighting Vehicle — Turret

TM 9-2350-294-10-2

M2A3 turret operator manual. TOW missile system, 25mm M242 chain gun, 7.62mm coax. Fire control, target acquisition, and engagement procedures. Know your vehicle's weapons.

Pending Upload

M242 Bushmaster 25mm Chain Gun

TM 9-1005-200-23&P

M242 operator and maintenance manual. The main gun on the Bradley. Dual-feed, 200-round/min, AP and HE-I ammunition. Function, loading, immediate action, and stoppages.

Pending Upload

MICLIC — Mine Clearing Line Charge

TM 9-1375-215-13&P

MICLIC system operator and maintenance manual — M68A2 trailer, M58A4 rocket, C4 det cord assembly. Emplacement, firing, and misfire procedures. The breach team's heavy hitter.

Pending Upload

CROWS — Common Remotely Operated Weapon Station

TM 9-1090-221-10

CROWS II operator manual. Remote weapons station for M2 .50 cal, MK19, M240B, and M249. Camera targeting, slew-to-cue, and engagement from behind armor.

Pending Upload

M2A2 Bradley Fighting Vehicle

TM 9-2350-294-10 Series

M2A2 ODS operator manual. The baseline mech infantry/engineer BFV. Hull and turret operations, TOW and 25mm, PMCS, and crew drills. Still widely fielded in engineer battalions.

All documents unclassified · Sources: APD, FAS, GlobalSecurity, official .mil
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