John Breed, Diary and Training diary, item 146

• April 3, 2017 01:49:41 Cheryl Ellsworth

  Oblique and Enfilade Fire

       It is clear that a gun shield

  or parapet will afford less protection to men behind it

  when fired at "Obliquely" and none at all when taken

  in flank. Therefore artillery should never miss a chance

  of using Enfilade fire

  
  

   Drawing of a horizontal 45°  line labeled "A" and a perpendicular vertical line labeled "B" 

  
  

  Thus of two targets "A" and "B", fire on "B" at 6000 yards is

  likely to be more effective than fire on "A" at 3000 yards

  The extent to which this nature of fire can be used on the

  battlefield depends upon the ground and on the perfection

  of the communications even in open ground affording a distant

  laterial views, it would be liable to create confusion

  if each battery fired at the target opposite to another battery

  But when all are in communication with the O.R.A.

  he can allot the target to the best advantages

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