manual for commanders of infantry platoons. - US Army Combined ...

2~30iMAN(UAL FOR CONMMANIDERS OF INFAN~dTRd3eY PLAITOONS.
6;. Arrange for passayewayts` to tihe 'fronit for the u~e of 'pjatrols,
sentinels, etc. They` must be concealed or at least not easily
dliscoveratble and there mnust;be materiall close at hand suitable
forquiklyobtructing themn in case of the necessity arising
for cdoineg so. (F~ig.~ 223.)
7i. Thleymust: be wantchzcd carefully at night by listening posts
dlug at points~ along the edge of the obstazcles- or ini fr~ont of ithrem
and t~hemlselves protec~ted by accessory dcefenses.' These posts
have passazgeways leading across -the wire etg~ta~nglemlent: and
they give the alarm1UbyVsig3nals, little b~ells, bly firing, etc.
FIG. 223.
Befiore beginning~ an off'ensive the accessory (lefenses should
be r·emoved in order to give passage to the waves of assault.
Cr~ow's-feet. loops, etc., scatteredl irregularly about the groundb
possess the (lifhiculty of being. hard to find and of restricting the
fireedlom of assa~ult.
urlnmnzj tr~ca·chcs.--It is always advisable to makle dlummny
trenches; that is to say, supplementary trenches which it is not
intended to occupy, wTith a view to deceive the enemny's observers
wrhether; on hln~(1 or in th·e a~ir, and to lead them into error as to
the real occupation of a posqition ~andthe. distribution of, the
troops. It is of~ten adlvisable, even, to ~estarblish them for the
purpose of leadcing the enemy; into a trapB when he attemps to
get a footing in them. W~ithz this object in view they may, be