Garand Thumb Crossed the Line

Published on March 10, 2026
Duration: 23:40

This video provides an in-depth guide to crossing Linear Danger Areas (LDAs), such as roads, power lines, or clearings, without being detected or taking casualties. It emphasizes the SEALS (Stop, Evaluate, Listen, Emplore, Assess) procedure, proper security element placement, the use of rally points, and reporting protocols. The instruction is delivered by experienced military personnel, offering advanced tactical insights applicable to both simulated and real-world scenarios.

Quick Summary

Crossing a Linear Danger Area (LDA) safely involves a multi-step process: halt, perform SEALS (Stop, Evaluate, Listen, Emplore, Assess), assess threats, pinpoint a crossing point, report to higher command, establish rally points, set security, execute the cross, and conduct SEALS and LACE reports on the far side.

Frequently Asked Questions

What is a Linear Danger Area (LDA) in tactical terms?

A Linear Danger Area (LDA) is any linear feature that presents a hazard or is a likely route for enemy movement. This includes roads, trails, power lines, clearings, or even rivers and creeks where observation or engagement is probable.

What are the key steps for crossing a Linear Danger Area (LDA) safely?

Safe LDA crossing involves halting, performing SEALS (Stop, Evaluate, Listen, Emplore, Assess), assessing threats, pinpointing a crossing point, reporting to higher, establishing rally points, setting security, crossing, and conducting SEALS and LACE reports on the far side.

What is the SEALS procedure for assessing an LDA?

SEALS stands for Stop, Evaluate, Listen, Emplore (smell), and Assess. It's a critical process to gather information about the environment and potential threats before and during movement, especially when crossing hazardous areas like LDAs.

How do different units like infantry and special forces approach LDA crossings?

Infantry might use more structured methods like the corridor technique with established security, while special forces or evasion teams might employ faster, riskier methods like the 'scrum' for small groups to minimize exposure time on the LDA.

What are the dangers of not properly crossing a Linear Danger Area?

Improper LDA crossings significantly increase the risk of detection and engagement. This can lead to casualties from enemy fire, mines like 'toe poppers,' or getting caught in obstacles, especially if security and reporting protocols are ignored.

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