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FM/BG-1120 · v1.01

Applying OCOKA in defence

Code: FM/BG-1120
Kind: Guide
Version: v1.01 1yr ago
Views: 260
Platforms: As its document
Published by: Cpl Ross 23 Jul 2025
Last material change: v1.00 Initial SOP Port

No words changed between v1.00 and v1.01.

v1.00

Observation & Fields of Fire Position weapons to cover expected approaches with interlocking fire Use elevation and open terrain for long sightlines Assign sectors and clear kill zones of obstruction Cover & Concealment Select terrain that offers protection and concealment Use fortifications and camouflage to reduce visibility Prepare alternate firing positions Obstacles Use terrain, wire, or mines to channel enemy movement Cover obstacles with direct or indirect fire Avoid blocking friendly fields of fire Key or Decisive Terrain Hold terrain that controls movement or offers advantage (e.g. high ground) Reinforce positions likely to be attacked Use terrain to protect flanks and enable movement Avenues of Approach Identify all likely enemy routes Funnel the enemy into kill zones Maintain security on flanks and rear

v1.01

Observation & Fields of Fire Position weapons to cover expected approaches with interlocking fire Use elevation and open terrain for long sightlines Assign sectors and clear kill zones of obstruction Cover & Concealment Select terrain that offers protection and concealment Use fortifications and camouflage to reduce visibility Prepare alternate firing positions Obstacles Use terrain, wire, or mines to channel enemy movement Cover obstacles with direct or indirect fire Avoid blocking friendly fields of fire Key or Decisive Terrain Hold terrain that controls movement or offers advantage (e.g. high ground) Reinforce positions likely to be attacked Use terrain to protect flanks and enable movement Avenues of Approach Identify all likely enemy routes Funnel the enemy into kill zones Maintain security on flanks and rear

Observation & Fields of Fire Position weapons to cover expected approaches with interlocking fire Use elevation and open terrain for long sightlines Assign sectors and clear kill zones of obstruction Cover & Concealment Select terrain that offers protection and concealment Use fortifications and camouflage to reduce visibility Prepare alternate firing positions Obstacles Use terrain, wire, or mines to channel enemy movement Cover obstacles with direct or indirect fire Avoid blocking friendly fields of fire Key or Decisive Terrain Hold terrain that controls movement or offers advantage (e.g. high ground) Reinforce positions likely to be attacked Use terrain to protect flanks and enable movement Avenues of Approach Identify all likely enemy routes Funnel the enemy into kill zones Maintain security on flanks and rear

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FM/G238 Defending theory

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