Page:Tactics (Balck 1915).djvu/527

 DEPLOYMENT, 78, 80, 209 For action, 209 France, from 4-rank formation (with plate), 65, 66 Initial, in attack, 366 Provisions of various regulations, 80

DEPTH Battalion on the march, 72 Cyclist detachment, 29 Distribution in, 222-225, 235, 237, 241, 242

DEVELOPMENT FOR ACTION, 207 Brigade, 216, 217

DISARMAMENT, proposals for, 3

DISCIPLINE and the moral factors, 107, 108

DISPERSION, 33

DISTANCE, Definition of, 47 Assaulting, 385, 424 Attack, 368 Between elements in the battalion, 72, 73 Facing, in various armies (table), 48 General reserve from defensive line, 430 Support from firing line in attack, 99

DISTRIBUTION IN DEPTH, 222 Maximum, when necessary, 235 Necessity for, 224 Necessity for, increase with size of force, 241 Provisions of various regulations, 241, 242 Relation to frontage, 225 Examples, 223, 237

DIVISION, attack formation, France, 457

DOUBLE COLUMN, France (with plates), 70

DOUBLE TIME, 55 In various armies (table), 54

DRILL AND TRAINING, 105, 106

DRILL ATTACK, 204

DRILL, importance of combat, 105

DRILL REGULATIONS, 13-16 Provisions of various—see under name of country

DUMMY INTRENCHMENTS, 421, 423

E.

ECHELON FORMATION, 73, 74

EFFECT OF FIRE, 167 As regards time, 172 At medium ranges, 151 Influence of the elevation selected, 162 On artillery when unlimbering, 326 On close order formations, 102, 103 On thin and dense skirmish lines, 77 Standard of measurement of the, 168