46 ES Home Study Pkg 8
Across
- 2. narrow strip of soil maintained to prevent soil falling back in the trench
- 4. the B is CBRN stands for
- 8. a fence comprised of staggered long pickets and three rolls of concertina stacked in a triangular shape
- 9. the N in CBRN stands for
- 12. one of two principles of obstacle placement "covered by..."
- 14. minimum distance in metres between the enemy side of an obstacle and friendly defensive positions
- 15. a small hole excavated near the bottom of the trench to reduce blast and shrapnel effects in the event of grenades
- 20. a wooden obstacle designed to be emplaced in the water and covered by 0.3 - 0.6m of water at high tide
- 21. a catwire fence comprised of one row of stacked concertina between pickets
- 22. one of two parts of a fire trench
- 23. the reason that the maximum distance from an obstacle to a friendly defensive position is 200 metres
- 25. a fence comprised of four rolls of concertina stacked in a triangular formation with an apron on each side
- 26. reduce silhouette when placed behind a fire trench
- 27. a concrete obstacle, triangular in shape with a weight of approximately 1 metric ton
- 28. an illuminating device which may be emplaced in conjunction with a wire obstacle to give advance notice of an enemies engagement
Down
- 1. the C in CBRN stands for
- 3. the R in CBRN stands for
- 5. a fence comprised of short pickets and barbed wire, easily concealed in low grass and shrubs
- 6. -trench, second of two parts of a fire trench
- 7. a log and earth obstacle comprised largely of a log box filled with earth
- 10. the historic name of the C19 defensive command detonated weapon (used to be an M18)
- 11. a log or timber obstacle created by stacking and lashing timbers together and fixing them to the ground
- 13. the first stage of constructing a fire trench
- 16. the acronym for the CBRN survival rule
- 17. a linear vehicle obstacle made using heavy equipment to excavate earth
- 18. a fence comprised of both long and short pickets with barbed wire forming a slope on both sides
- 19. a movable obstacle often used to close gaps or lanes
- 23. a vehicle obstacle created by falling large trees via mechanical or explosive means to block a roadway
- 24. acronym used to remember fire control orders
- 25. a steel vehicle obstacle made of three posts or spars welded or fastened together
- 28. the second of two principles of obstacle placement "covered by..."