560 
FIGHTING BOOKS. 
Signals. 
The following are used to indicate an objective and its probable 
method of attack :— 
Heavy ironclad indicated by ... 
... ONE 
Medium „ 
,, 
... TWO 
T . t 1 (including 1 f 
^ ” } gun-boats) \ 
33 
... THREE 
Cruiser 
33 
... FOUR 
Torpedo boat and light craft 
,, 
.. . FIVE 
Not classed 
33 
... N.C. 
Unknown 
33 • • • 
... U.K. 
Bombardment at long range 
33 
... L.R. 
„ medium ,, 
33 
... M.R, 
Close action 
33 
... C.R. 
Running past 
33 
... R.P. 
h)A range and bearing h 
or > indicates the objective. 
Number of a square ) 
The following message from fire commander to battery commander 
exemplifies the above :— 
X—Four—150—R.P.—commence firing; meaning: 
Fort X, engage cruiser in square 150; she will probably run past; 
open fire as soon as possible with all your guns. 
This would be passed on by the battery commander to his gun 
group commander in the following form:— 
A—Four—4000—220—R.P.—commence firing; meaning: 
A group, engage cruiser, whose range and training from me (B.C.) 
4000 yards and 220°; she will probably run past; open fire as soon as 
possible. 
Method of Attack by Ships. 
Ships can attack this Fort in.ways< 1j) :— 
I.—By bombardment at long range ... ... Signal L.R. 
II.— By attack at medium range ... ... „ M.R. 
III. —By close attack ... ... ... „ C.R. 
IV. —By running past ... ... ... „ R.P. 
Principal Methods by which Forts Attack Ships. 
I.—By fire at the upper structures :—This has been termed 
“ secondary attack,” but, as it appears to be the best to 
adopt in the majority of cases and the most important one to 
consider, it may be better to term it the “ shell attack,” 
a Is the best method of indicating a fast-moving objective to the guns when the depression 
range finder is close to the groups. 
b According to local circumstances, 
