D

Daily sick report [889]

Datum plane [1883]

Decreasing intervals [247]

DEFENSE:
Action when target disappears[294]
Active defense[527]
Battalion on[357]
Counter attack:
Communicating and cover trenches head cover, etc., construction[505]
Cover, utilization[504]
Importance of counter-attack[527]
Manner of making[529]
Minor[530]
Post of troops[528]
Delaying action:
Important considerations[531]
Purposes of support and reserve[532]
Thin firing line to be used[532]
Value of artillery[533]
Deployment:
Advance posts and other dispersion to be avoided[520]
Assignment of front to units[516]
Battalions to be kept intact[518]
Dead space to be covered by adjoining section or machine guns[519]
Density[509]; [510]
Division of positions into sections[517]
Fire alone unable to stop attack; use of bayonet[522]
Night attack, steps to be taken if expected[523]
Position not to be fully occupied until infantry attack begins[521]
Reserve, detaching part of, to protect opposite flank[515]
Reserve posts[513]; [514]
Sections, divisions of positions into[517]
Size of units occupying sections[518]
Short range fire and bayonet in night attack[524]
Strength in rear to be increased when change from defensive to offensive is contemplated[511]
Supports, post and cover[512]
Dummy trenches[506]
Field works:
Construction[504]
Location, extent, garrison, etc.[507]
Machine guns[556]; [566]
Obstacles, construction[504]
Opening fire[360]; [418]
Passive[525]
Position and intrenchments[503]–508
Requisites of defensive position[503]
Trenches, outlining trace in combat exercises[508]

Defilade [1420]

Deflection [1384]

Deflection and elevation connection drills [1383]

Deliberate intrenchments [1147]

Delinquency record [895]

Delivery of messages [958]; [1530]

Density of firing line [446]–453; [532]

Deploy, definition [29]

Deployed line, faces to front and takes advantage of cover on halting [239]

Deployed lines, alignment [239]

Deployed troops, leading difficult [379]

DEPLOYMENT:
Action of brigade and regimental commanders in deployment of division[440]
As skirmishes[65]; [92]; [170]; [239]–246
Battalion, depth of[334]
Battalions furnish firing lines and support[455]
Company, rules for[236]
Companies and detachments taking their places[334]
Dense, well directed and controlled fire gives fire superiority[446]
Density of charging line[449]
Density of one man per yard[447]
Density of whole deployment varies with size of command[451]
Division of battle line into battle districts[452]
Each commander to guard his command against surprise[442]
Extent of front occupied by unit depends upon security of flanks[453]
For attack:
Distance for hostile position at which deployment is made[463]
Each unit to deploy on its own direction line[463]
Foreground to be cleared of hostile detachments before deployment[463]
Intervals between battalions[465]
Moving well forward and deploying at night[464]
Post of reserve[466]
Reserve charged with flank protection[466]
Formations of troops before and during[439]
In defense. See "[Deployment]" under "[Defense]"
In oblique direction[245]
Length of firing line employed by whole force[449]
Mechanism taught by extended order[55 (b)]
Occupation of only sections of long lines[447]
Of squads when company is deployed[239]
On wrong lines, avoided by reconnaissance[403]
Orders for[392]
Personal reconnaissance before deployment[441]
Premature to be avoided[332]; [443]
Rectification of deployments in wrong direction[444]
Reserves, how employed[455]
Reserves furnished by units larger than battalion[441]
Rules for[236]–242
Side by side of regiments, battalions and companies[454]
Strength of support and reserves[449]; [450]
Supports furnished by battalion[455]
To flank or rear[246]
Troops deployed vary from 1 to 10 men per yard[450]
Use of thin firing lines[448]
When made[463]

Deportment, military [1523]

Depth, definition [30]

Descriptive card of animals [898]

Descriptive list [897]

DESIGNATION OF:
Companies in battalion formation[298]
Squads and platoons[205]

Designation of targets [1445]–1147 a

Designation of winds [1391]

Details and roster of guards [1585]

Details to be left to subordinates [384]; [385]

Determination, factor in warfare [924]

Deviation from orders [388]

Devolution of work and responsibility [869]

Diarrhoea [1491]

Diminish intervals [172]

Directions given subordinates through immediate superiors [397]

DISCIPLINE:
Definition[910]
General principles[916]
Importance[912]
Methods of attaining good discipline[911]; [914]
Punishment[915]
Sound system[913]

Disciplinary exercises—drills at attention and ceremonies [55 a]

Discipline and training necessary [379]

Discipline, fire [291]; [430]; [431]

Dislocations, first aid [1492]

DISMISSING:
Battalion[309]
Company[217]
Squad[147]

Dismounted noncommissioned staff officers, posts [77]; [78]

Dismounting, before addressing dismounted superior [1558]

Dismounting before saluting dismounted senior [75]

DISTANCE:
Between firing line and support[338]
Between front and rear rank[153]
Between units in column of subdivisions[69]
Definition[31]
Plates showing distances:
Battalionnear, [300]
Companynear, [207]
Taken by file closers in "take distance" and "take interval"[213]

DISTANCE TAKING:
Action of guides[213]
How executed[158]

Distant range [275]

Distance to target, determination of [276]

Distribution of fire [1441]–1444

Distribution of fire and target [282]; [283]; [427]

Division of battalion into firing line and support [335]

Document file [894]

Dog's bite [1480]

Do something [386]

DOUBLE RANK:
Company to be formed in[203]
Habitual close order formation[70]
Kneeling and lying down in[178]
Rear rank loading and firing[179]

Double sleeping bag [686]

DOUBLE TIME:
Adding preparatory command[109]
Any movement executed in, unless excepted[60]
Cadence[108]
Command for[111]
Command for precedes command of execution[60]
Dropping hands by side upon halting[116]
Half step, length[113]
In successive movements, base unit marches in quick time[61]
Position of disengaged hand[111]; [121]
To hasten movements begun in quick time[177]
To the rear[118]

Drainage, camping, [1248]

Drainage of trenches [1167]

Draw saber [671]

Dress, appearance [1523]

DRESSING:
Battalion[310]; [311]
Company[218]
Companies, position of captain[218]; [302]
Deployed lines[240]
Drill at attention after combat exercises[55 (d)]
Squad (right or left)[154]
Verify both ranks[154]

DRILL:
Battalion[295]–363
Company[202]–294
Squad[148]–202

Drills at attention and ceremonies designed to teach precision, etc. [55 (a)]

Drill regulations furnished as guide, providing principles for training, etc. [53]

Drill regulations, interpretation of [53]

Drowning [1493]

Drum major at battalion inspection [650]

Dugouts, trenches [1156]

Dummy trenches [1163]

Duties of infantry, many and difficult [366]

Duties of officers and noncommissioned officers in battle [389]

Duty roster [890]