Index to War Instructions

United States Navy, 1944



Action against submarines, aircraft, mines, chemicals ch. 7
  doctrines of Sec. VII, ch. 2
  task groups for major 1200,1201
  major, types of 1286-1293
  upon sighting mines 756-759
Air action, prelude to major action 1286
Air attack, during, maintain all around radar search 729
  imminent, vessel prepare to get underway to sortie 1115
  methods of evading 733
  use of maneuver against 737
Air attacks on enemy after contact 1212
Air (carrier) group, delay action 12307
during approach 1240
employment, major actions 12141,12142
major actions 12141-12147
night actions 829, 12344
normal action 12231-12233
normal organization 1201
pursuit action 12273-12277
reverse action 12252
withdrawal action 12328-12330
retirement action 12292
Air operations, provisions for air sea rescue 534,535
Air patrol, during sortie or entry 1105
Air sea rescue aviation personnel, types of facilities employed 536
provisions for aviation personnel Sec. VI, ch. 5
Aircraft and aircraft carriers at base 303
attack, warning of 728-731
carrier and land based, tasks of 12143-12147
carriers, disabled in action 12203
day battle, normally equipped with cameras 12143
disabled in action 12196-12199
employment, what it depends on 1000
forms of air attacks 1003
functions performed by 1001
joining a disposition or formation 638
night operations, conditions which affect visibility 1013
night operations, means by which location of darkened ship, force, base or aircraft disclosed 1014
night operations, necessity for and hazards involved 1011,1012
operations in vicinity of friendly ships, instructions regarding 1006-1010
operations ch. 10
tactics of attacking 1004
unidentified, procedure towards 731
use of in rescuing aviation personnel 536
Amphibious operations ch. 14
command relationship 1407-1410
definition, purpose, and scope 1400-1403
general 1417,1418
major group tasks 1411,1412
organization 1404-1406
plans 1413-1415
training 1416
Anchorage of force at base 303
Annihilation of enemy 233,234
Antiaircraft guns, flexibility in control of fire from 735
Antiaircraft measures Sec. II, ch. 7
adequate personnel alert 721
antiaircraft weapons always ready 722,723
defense against night air attack 741-743
energize degaussing coils 727
evasive measures 732
general maneuvering policy 725
lookouts 719
precautions 718-727
prompt action required 724
readiness to repel attacks 720
search radars 718
ship communications with air cover 726
use of fighter protection 738-740
use of gunfire 733-736
use of maneuver 737
warning of attack 728-731
Antisubmarine measures Sec. I, ch. 7
action after sighting submarine 712-717
detection of submarines 710,711
evasive action 701
general action 700
Antisubmarine screens 610,611
Approach Sec. III, ch. 12
air (carriers) during 1240-1244
attack of enemy aircraft carriers 1243
battle line during the 1224-1230
battle line formation of 1226
bearing of enemy 1217
catapulting planes 1228
center, during the 1237-1239
conduct by officer in tactical command 1217
detached wing during the 1231,1232
direction of 1216
direction of fleet axis during 1218
disposition, character of 1222
disposition, distribution of light forces 1223
disposition, when taken 1219
fire distribution of battle line 1227
light forces during 1233, 1236
movement of forces before deployment 1221
patrol against submarines 1242
positions of aircraft carriers 1240,1241
promulgation of battle plan 1220
purpose 1216
submarines, during 1245-1247
tactical scouting during 1235
train during 1248
use of contact disposition 1249,1250
Assistance to disabled vessels after action 1314-1316
during action Sec. XVIII, ch. 12
Assumptions, battle plans 1282
in plan 221
Aviation personnel, air-sea rescue, provisions for Sec. VI, ch. 5
rescue, air coverage provided 541
rescue, designation of agency to correlate reports of downed aircraft 540
rescued, return of to own ship 538
Aviators, rescue of, during action 12210
Avoiding mines 744-759


Base, advanced, establishment of 301
defense force 302
measures for protection of Naval Units 303
protection of Naval Units 300
standard instructions at 1110
Bases Ch. 3
Battle Dispositions Sec. VII, ch. 12
Battle line, avoiding torpedo salvos, major action 12100
battle dispositions 1268
delay action 12295-12303
during the approach 1224-1230
major actions, general instructions 1295-12101
in normal action 12221
moving through unfavorable ranges 1298
night action 12338-12340
normal organization 1201
opening fire, major actions 1298
pursuit action 12262-12265
retirement action 12286,12287
reversal of course, major actions 12101
reverse action 12245
support of light forces in normal action 12229
withdrawal action 12319-12322
Battle lines, breaking off engagement when directed by officer in tactical command 1308
Battle order 815, 1220
Battle organization 1200,1201
Battle plan, promulgated during approach 1220
Battle plans Sec. VIII, ch. 12
assumptions 1282
character of 1280
form of 1280
information 1282
list of 1287, 1290, 1291
necessity for 1277
prepared by task force commanders 1279
night, placing in effect 815
Battle, smoke screens in 12174-12186
Battle task groups, general instructions in major actions Sec. X, ch. 12
normal organization 1200,1201
Battleships, disabled in action 12201
employment, as detached wing 1205
Bearing, change of, during deployment 1262
of enemy during approach 1217
Boiler power when enemy may be expected 410
Bombing and torpedo squadrons, tasks, major action 12143
Breakdown signal in action 12189


Carrier operations, vessels for support of 1208
Carriers, aircraft, battle disposition 1273
disabled in action 12203
Casualty to material 411,412
Center, normal organization 1201
the, during approach 1237-1239
Changing position or leaving a formation or disposition at night 639
Channels, swept for sortie 1104,1105
Chase 1304-1313
at night 1310,1311
definition 1304
initiated by officer in tactical command 1307
initiative required by subordinate commander 1308
use of aircraft 1309
Chasing Units, composition of 1309
Chemical Defense Sec. IV, ch. 7
based on certain concepts 760
protection from 761
Closing gaps in formation in action 12187
Combat air patrol 616,617
Combat information center 528
Command 202-212
delegation of 206
relationships amphibious operations 1407-1410
Senior Commander, exercises unless an officer has been specifically designated 211
unity of effort 207
unity of within each area 222
when in cooperation with allies 231
Commander affords protection to merchant vessels of U.S. 232
battle line, initiative 1295
furnishes information to lower echelons 226
Commander in Chief, assignment of strategic tasks to 200
Communications Sec. I, ch. 5
Communication personnel kept informed of existing organization 504
Communications, radio, kept at a minimum 501
responsibility for 500
Composition of convoy escort 643
Concentration of fire, selection of targets for 12166
of scouts 660
Concentrations, natural or artificial in fire concentration 12160
Conditions of readiness 400-402
prescribing by commanders 402
Contact disposition, need for uses of 1249,1250
Contact, forces in Sec. V, ch. 12
night, vessels or formations making, procedure on 826-829
scouting 656-661
with enemy following day engagement 1303
Contact reports Sec. II, ch. 5
ample power to be used in making 501
amplifying report 505
definition of 505
general instructions for guidance in making 511,512
information included in 506
initial report 505
procedure when doubtful of accuracy of information reported 511
reporting composition of forces 510
reporting of enemy position 508,509
urgency of delivery to officer in tactical command, two categories of 507
Contact with enemy force, by air 1210-1213
surface 1214
Contacts, interval between, tracking 664
Convoy, attached to train in battle organization 1201
becomes a part of the train when with a major force 642
command of 644, 647
Commodore, responsibility of 644,645
escort 643
escort commander, responsibility of 646
stationing vessels in 644
Convoys Sec. VI, ch. 6
Cooperation with Army, Allies and Merchant Marine 230-232
Coordination, air and surface forces, major actions 12146
Coordinated attack, destroyers 12126
light forces, major actions 12110
Coordinate commanders keep each other informed 228
responsible to one immediate senior 203
Correct target, responsibility for firing at 12163
Course, change of, soon after dark 709
reversal of, battle line, major actions 12101
withdrawal action 12316
Covering Force 630-632
Cruisers, as target for torpedoes 12170
assignment to battle task groups 1207,1208
disabled in action 12202
heavy, detached wing, major actions 12107
large, detached wing, major actions 12107
screens during approach 1236
tasks, major actions 12117
Cruising dispositions, adequate air coverage not available 626
considerations in selecting form of 601,602
effective air coverage available 625
for entering or leaving port or passing through restricted waters 605-607
for obtaining information of or denying information to the enemy 624-627
for repelling attacks by aircraft 613-617
for repelling attacks by light forces 618-623
for repelling attacks by submarines 608-612
forms of 604
in readiness for approach, deployment of to maintain contact 628-629
requirements of Sec. I, ch. 6
selection of Sec. II, ch. 6
Cruising, fog or thick weather 634


Darkening ship Sec. II, ch. 4
Defense against night air attack 741-743
Defensive battle plans, list of 1291
Degaussing coils, energize when danger of being mined or torpedoed 727
Delay action Sec. XXV, ch. 12
air (carrier) groups 12307
battle line 12304
detached wing 12305
disposition of force 12303
light forces 12306
purpose 12295-12297
submarines 12308
train 12309
Delay in transmission of orders and instructions 209
Delegation of authority 206
Departure from orders 215
Deployment Sec. VI, ch. 12
approach disposition to be taken before 1259
change of bearing during 1262
considerations affecting directions of 1265
course, battle line, task group commanders kept informed 1296
direction of fleet axis 1260
effect of wind, sea, sun on direction of 1265
from cruising disposition 1263
initial distribution of light forces 1266
late in day 1261
low visibility 1259
when to be made 1258
Destroyer attacks, major actions, purpose 12122
Destroyers, battle disposition 1272
disabled after action 1316
disabled in action 12191
gun engagements, major action 12128
night action 825-829, 12342,12343
seizing opportunity, major action 12127
tasks, major action 12121
without torpedoes, major action 12129
Detached Wing, battle dispositions 1271
battleship position, major action 12102,12103
battleships, tasks, major action 12102,12103
delay action 12305
during the approach 1231,1232
employment of 1203
heavy cruisers, major action 12107
in normal action 12222-12224
large cruisers, major action 12107
major action 12102-12107
night action 12341
normal organization 1201
of battleships, employment of 1204,1205
of heavy cruisers, employment of 1205
of large cruisers, employment of 1205
position of during approach 1231,1232
pursuit action 12266
retirement action 12288
reverse action 12246,12247
withdrawal action 12323
Direction of deployment, considerations affecting 1265
Directives, naval 217-225
Disabled vessels, after action 1314-1316
assistance to, during action Sec. XVIII, ch. 12
in action Sec. XIV, ch. 12
smoking heavily 12190
unable to escape from enemy 12192
unable to fight 12192
Disclosure of ships or base to aircraft 1014
Disengaged side of enemy, our light forces on 1202
Disposition, action to be taken in night action 800-829
of force, delay action 12303
of force, withdrawal action 12315
Dispositions and Instructions ch. 6
Dispositions for entering or leaving port or passing through restricted waters 605-607
for obtaining information of the enemy or for denying information to the enemy 624-627
for repelling attacks by aircraft 613-617
for repelling attacks by light forces 618-623
for repelling attacks by submarines 608-612
forms of cruising 604
in readiness for approach deployment or to maintain contact 628-629
requirements of cruising 600
selection of cruising 601
Distant screen 627
form of 627
organization 627
purpose 627
tasks 627
Doctrines of action Sec. VII, ch. 2
general 233
specific tactical 234
Dropping back from a position ahead in a formation or disposition, or changing station or leaving 639
Dummy periscopes 753
Duplication of contact reports 511


Emergency identification, mine warning signal 756
submarines 525
when used 524
Emergency, use of lights 408
Enemy aircraft carriers, attack of, during approach 1243
light forces, pursuit action 12270
survivors, rescue of during action 12211
vessels disabled in action 12194
Entry, order to task subdivisions 1120,1121
plans, purpose of 1116
reconnaissance prior to 1119
screening vessels patrol prior to 1122
time of 1118
Estimate of the situation 217
Evasive action, against submarines 701-709
measures, use of when aircraft attack 732
Exhaustion of fuel and ammunition Sec. VI, ch. 4
extreme ranges, ammunition expenditures 1298


Factors affecting ship performance, report of, after action 414
Favorable situations, doctrine regarding exploiting 233
Fighter protection, use of when aircraft attack 738-740
Fire distribution, concentrations 12161
definition 12158
methods of 12161
prescribed during approach 1227
purpose of 12159
Flagship, disabled in action 12193
of officer in tactical command, disabled, procedure to assist 12200
officer in tactical command, battle task group 1201
Flank attack, normal action 12217
Flashlights, use of when ships are darkened 406
Fleet axis, direction during deployment 1263
direction of during approach 1218
Floating mines, tactical uses, major action 12136
object, precautions against 640, 753
Floating objects, precautions against 640
Fog or thick weather, instructions regarding when encountering 634
Following movement when enemy retires 12254
Forces in contact Sec. V, ch. 12
Form of battle plans 1280
Formation making single contact, night, procedure for 828
two or more contacts, night, procedure for 829
Forms of cruising dispositions 604
Formations for crossing mined areas 749
Frequency, selection of radio to avoid interception 501
Fuel and ammunition, exhaustion of, procedure in case of 413


Garbage, disposal of 640
General doctrine of action 233
instructions for battle task groups in major actions Sec. X, ch. 12
plan, following day engagement 1301,1302
plan, statement of 220
Group, air (carriers), normal organization 1201
center, normal organization 1201
left flank, normal organization 1201
right flank, normal organization 1201
submarine, normal organization 1201
Gunfire, use of when aircraft attack 733-736
Gun ranges, designation of 1292,1293


Hauling out of formation in action 12188
Hazards of aircraft operation at night 1011
Heavy cruisers, detached wing, major action 12105,12106
High speed minesweeping 749
Human element in naval strength ch. 1, 100-111
Hunting Submarines 713


Identification, definition of 517
emergency, when used 524
emergency signals, length of time displayed 526
methods, visual, list of 523
submarines 525, 938
surface vessels to submarines 525
visual methods of 523
use of 527
IFF, recognition system 522
IFF, system, limitations of, commander knows 522
Illumination, when used 818,819, 821-824
Information Sec. V, ch. 2
battle plans 1282
delay action 12302
dissemination of 226-229
for search operations 652-654
responsibility of commanders 229
tactical scouting 665,666
to be sent on contact 657
received subsequent to promulgation of directive 227
Initial contact with enemy force 1210-1214
Initiation, attacks, light forces, normal action 12230
destroyer attacks 12123
light force attacks, reverse action 12251
Initiative Sec. III, ch. 2
by subordinate 213
Commander Battle line 1295
doctrine regarding gaining of 233
in use of smoke screens in battle 12184
to be seized 233
Inner screen 611
Instructions, following day engagement 1303
for battle task groups in major actions Sec. I, ch. 12
for firing torpedoes 12173
for night action 825-829
Instructions, for use of torpedoes 12169-12173
general, for dispositions ch. 6
standard at base 1110
transmission of 209


Joining a disposition at night or during low visibility 635-637
Joint plan for protection of base 300




Large disabled vessels after action 1314
Left flank group, normal organization 1201
Legitimate expenditure of torpedoes 12172
Light cruisers, assignment to battle task groups 1207
forces, battle dispositions 1268
         cruising dispositions for defense against 618-623
         delay action 12301-12303
         disposition in approach dispositions 1223
         during the approach 1233-1236
         employment, major actions 12108,12109
         major actions 12108-12129
         night action 12342,12343
         normal action 12225-12230
         number of task groups 1206
         pursuit action 12267-12272
         retirement action 12289-12291
         reverse action 12248-12251
         tactical scouting during approach 1235
         tasks during approach 1234
         withdrawal action 12324-12326
         mine layers, stations, major actions 12139
         vessels, disabled, after action 1316
Lights Sec. III, ch. 4
colored screens used 409
instrument lighting 409
use in emergency 408
Loyalty to general plan 213


Major actions, air (carrier) groups 12147-122147
battle line avoiding torpedoes 12100
battle line, opening fire 1298
battleships' mission 1295
considerations governing Foreword, ch. 12
coordinated air and surface forces 12146
cruisers 12117
destroyers 12121
detached wing 12102-12107
employment of light forces 12108,12109
general instructions for battle line 1295-12101
general instructions for battle task groups Sec. X, ch. 12
light forces 12108-12129
mine fields 12134,12135
mine layers 12130-12140
submarines 12148-12156
train 12157
type of Sec. IX, ch. 12
use of torpedoes during 12172
Maneuver, use of when aircraft attack 737
Material casualty, action taken when occurring 411,412
Material conditions of readiness 401,402
Methods of fire distribution 12161,12162
Methods of identification, list of visual 523
Military virtues, commander trained to possess 107
Mine areas, formations to be used 752
fields, information regarding, major action 12134,12135
layers, battle dispositions 1272
         major actions 12130-12140
         tasks, major actions 12131
menace in pursuit action 12258
sweeping, high speed 749
         before sortie 1103
vessels, withdrawal action 12327
Mines Sec. III, ch. 7
action upon sighting 756-759
destruction of 758
floating, tactical uses, major actions 12136
position, to be marked by vessel 756, 758
precautions against 747-755
restrictions on use, major action 12133
sighted in path of force 759
withdrawal action 12327
Mines, general information 744-746
Mining operations, major actions, use of smoke to cover 12138
Mission 218
Mission, battleship, major actions 1295
how derived 218
Moonlight, zigzagging 704


Naval directives Sec. IV, ch 2
type of 217
Naval strength, human element in ch. 1
Navigation lights, ships darkened 408
Nets and barriers, for protection of base 303
Neutral vessels in advance of a cruising force 633
Night action ch. 8
decision to seek or avoid, considerations 807, 811
general concept 800-803, 806
major, air (carriers) groups 12344
major, battle line 12338-12340
major, cruisers 12343
major, destroyers 12343
major, detached wing 12341
major, enemy battle line encountered ahead 12337
major, light forces 12342,12343
major, major force does not seek 12334
major, submarines 12345
major, train 12346
major, training for 12335
major, uncertainties of general engagement at night 12334
normal procedure for challenge of measures for identification 804
small task forces 800
surprise and concentration 801-803
use of star shells and searchlights 818-824
Night action instructions Sec. IV, ch. 8
assumptions 825
formation making a single contact 828
formation making two or more contacts 829
vessel steaming singly making a single contact 826
vessel steaming singly making two or more contacts 827
Night aircraft attack, defense against 741-743
Night aircraft operations, hazards of 1012
visibility 1013
Night air attack, procedure against 741-743
Night attacks before main engagement Sec. XX, ch. 12
Night battle plans Sec. II, ch. 8
matter to be included in 813-816
specific consideration given to certain matter 812
Night chase 1310-1312
Night engagements, deviation from prearranged plan 817
Night operations aircraft, conditions which affect visibility 1013
necessity for and hazards involved 1011,1012
Night operations by aircraft Sec. V, ch. 10
Night zigzagging 704
Normal action Sec. XXI, ch. 12
         air (carrier) groups 12231-12233
         battle line 12221
         description 12216
         detached wing 12222-12224
         flank attack 12217,12218
         light forces 12225-12230
         submarines 12234-12237
train 12238
tactical organization 1200,1201


Obeying orders, discretion in 215
Objective, doctrine regarding concentrating on 233
Observation 650
planes, catapulting during approach 1228
squadrons, tasks, major action 12143
Off shore patrol, base protection 303
Offensive battle plans, list of 1290
to be taken 233
Officer in tactical command, controls use of radar 533
designation of 210
definition 210
delegation of 210
duty in approach 1217
issue of instructions regarding assistance disabled vessels and rescue survivors after actions 1317-1319
Order, subordinate finds it necessary to depart from 216
Orders, departure from 216
transmission of 209
Orders or Instructions, impracticable to transmit via the normal chain of command 209
Organization, amphibious force 1404-1406
for conditions of readiness for action 400,401
normal tactical for battle 1201
of light forces for battle 1206-1208
search operations 651
task 208
Outer antisubmarine screen 611
Outside patrol for protection of base 303
Own vessels, disabled in action 12187-12192


Paravanes, use of 748
Patrol, air, against submarines during approach 1242
during sortie and entry 1105
Pickets, antiaircraft dispositions 614
light force dispositions 622
submarine dispositions 611
Plans, amphibious operations 1413-1415
battle, major action 1277-1285
night battle 812-817
sortie and entry 1102
Plot, maintenance of a continuous, of ships in company and own planes 520
Power, use of in communications and contact reports 501
Precautions against mines 747-755
Precautions, aircraft, when operating near friendly ships 1006
antiaircraft measures 718-727
against floating objects 640, 753
submarines when operating near friendly ships 935-938
Procedure following day engagement ch. 13
Protection of advanced base 300
base, joint plan for 300
naval units at base 303
to disabled vessels after action 1317-1319
Purpose of fire distribution 12159
night search and attack 12212
Pursuit action, air (carrier) groups 12273-12277
         battle line 12262-12265
         description 12253-12261
         detached wing 12266
         light forces 12267-12272
         mine menace 12258
         submarine menace 12260
         submarines 12278
         torpedo menace 12258
         train 12279
         use of smoke by enemy 12259
developing into chase 12256
use of contact disposition 1250




Radar Sec. V, ch. 5
Radar, definition and description 529-531
Radar capabilities and limitations known to commander 532
search, maintain all around during air attack 729
Radio communications to be limited 501
selection of frequency to avoid interception 501
silence 501-503
Range, night action 12339
opening fire battle line 1298
Ranges, battleline, major actions, determination 1297
designation of 1292
Readiness ch. 4
conditions of, responsible commanders consider in prescribing 402
currently effective conditions of 402
individual ship ch. 4
Recognition and Identification Sec. III, ch. 5
basic secondary and emergency means of 518
IFF system 522
knowledge of friendly units in operating area 519
maintenance of plot of ships in company and own planes 520
training in 521
Recognition, definition of 517
Reconnaissance, prior to entry 1119
Reconnoitering 650
Reference points, air sea rescue of aviation personnel 535
Reference position following day engagement 1303
Relief of tactical scouting vessels 667
Rendezvous, considerations in appointing 635
designated by commander in event of night action 816
Reports, after action, to unit commander 414
Requirements of cruising dispositions Sec. I, ch. 6
Rescue provisions in planning air operations 534,535
Rescue boats, use of in rescuing aviation personnel 536
Rescue of survivors after action 1317-1319
during action 12209-12211
Rescue provisions, aircraft 12196-12199
Responsibility for firing at correct target 12163
of convoy commodore 644,645
of convoy escort commander 646
Retirement action Sec. XXIV, ch. 12
         advantages 12282,12284
         purpose of 12280-12284
use of in contact disposition 1250
Retiring tactics by enemy 12254
Reversal of course, battle line, major actions 12101
Reverse action, battle line 12245
detached wing 12246,12247
description 12239-12244
light forces 12248-12251
Right flank group, normal organization 1201
Running lights, ships darkened 408


Scouting Sec. VII, ch. 6
Scouting, contact 656-661
forms of 648
operations 648-650
operations, sequence of 649
search operations 651-655
squadrons, tasks, major actions 12143
tactical 665-669
tracking 662-664
use of aircraft 661
Scouts, avoid action in search 659
concentration of 660
joining when action has begun 12115
proceeding to battle stations 668
Screens, air defense 614
anti-light force 619-623
antisubmarine 610,611
distant 626,627
Screen, antisubmarine and air defense, assignment to battle task groups 1209
Sea, effect on direction of deployment 1265
Searchlights, advantages and disadvantages 820
night action 811, 821-824
not to be used for searching 823
Search operations 651-655
areas to be searched 653
Selection of cruising dispositions Sec. II, ch. 6
Senior Office Present, duties 212
Single vessel making single contact, night, procedure for 826
making two or more contacts, night, procedure for 827
Sinking disabled vessels to prevent capture 12192
Smoke screens in battle 12174-12186
orders to lay 12184
laid by aircraft 12177,12178
laid by surface vessels 12175,12176
placing of 12182,12183
uses of, in battle 12181
use of smoke by enemy when pursued 12259
         to protect disabled vessels in action 12207
use of to cover mining operations, major actions 12138
Smoking when ship is darkened 406
Sonar gear, when manned 711
Sortie, normal procedure 1113,1114
plans for 1102
purpose of 1111
vessels prepare to get underway to sortie when air attack is imminent 1115
Sortie and Entry ch. 11
senior officer present issues instructions 1110
preliminary measures taken prior to 1103-1105
probable conditions of 1101
speed in narrow channels 1109
Special communication instructions 500
Speed requirements, considerations in prescribing 410
Starshells and searchlights, use of Sec. III, ch. 8
Starshells, advantages and disadvantages 820
Stationing vessels in a convoy 644
Submarine group, major actions  
delay action 12308
during approach 1245-1247
general instructions 12148-12156
night action 12345
normal action 12234-12237
normal organization 1201
pursuit action 12273
retirement action 12293
reverse action 12252
withdrawal action 12331
Submarines, action after sighting 712-717
aircraft kept informed of operations, when acting in conjunction with 929
avoid revealing presence, major action 12155
battle dispositions 1274
coming to surface 938
cruising dispositions for defense against 608-612
characteristics of 900-903
cruising in company with or in the vicinity of friendly forces 935-938
detection of 710,711
doctrine of general employment 912-915
emergency identification 524, 938
employment in antisubmarine warfare 923
employment of ch. 9
mining 921
offensive action against by screen 712-714
operations against enemy lines of communications 918-920
operations of attrition 924
operations in conjunction with other types 925-934
patrol against during approach 1242
passing through a disposition 936
positions of, not normally prescribed in approach contact, battle dispositions 931
precautions when operating in presence of friendly vessels 935-938
removal of own from area prior to sortie or entry 1105
sanctuary area for, designation of 930
scouting 916
screening 917
search for, means by which carried out 710
services for aircraft 922
submerged approach sector 611
tactics 904-911
use of by enemy when pursued 12260
use of in anticipation of major action 932-934
use of in rescuing aviation personnel 536
without torpedoes, major actions 12153
Subordinate commander, initiative of 214
Sun, effect on direction of deployment 1265
aircraft attacking from direction of 1004
Superiority, doctrine regarding gaining of 233
Support of carrier operations 1208
Supports, employment of in repelling attacks in cruising dispositions 622
Surface vessels, use of emergency identification signals 524
use of in rescuing aviation personnel 536
Surfacing submarines 938
Surprise, doctrine regarding 233
major action Foreword, ch. 12
night action 12336
Surrender of enemy vessels during action 12194
vessels or aircraft never to be surrendered 234
Survivors, rescue of, after action 1317-1319
during action 12209-12211
Sweeping, high-speed mine 749
operations, prior to entrance 1103
         prior to sortie 1103
Swept channels for sortie and entry, width of 1104
sweeping and marking prior to entry or sortie 1103
use of 747


Tactical command, delegation of 206
organization for battle 1200-1201
scouting 665-669
scouting by aircraft during approach 1242
scouting by light forces during approach 1242
scouting during action 669
Targets, selection of for concentration of fire 12166
Task organization, derived from estimate 217-220
forces, kept at minimum 223
         organization of 224,225
groups, for battle, normal organization 1201
method of execution of assigned 220
Tasks, assigned major groups, amphibious operations 1411,1412
assignment of strategic 200
general, of covering force 631
Thick weather, cruising in 634
zigzagging 704
Time, importance of 233
Torpedo instructions 12169-12173
menace in pursuit action 12258
squadrons, tasks, major actions 12143
torpedoes, battle line, avoiding salvos, major actions 12100
instructions for firing 12173
suitable targets for 12170
use in major action 12172
withdrawal action 12313
Towing disabled vessels after action 1314-1316
Tracking 662-664
Train, battle dispositions 1275
convoy part of, when with major force 642
delay action 12309
during approach 1248
major actions 12157
night actions 12346
normal action 12238
normal organization 1201
pursuit action 12279
retirement action 12294
reverse action 12252
vessels disabled in action 12204
withdrawal action 12332,12333
Training night action 12335
Transmission of orders and instructions 209
Types of major actions Sec. IX, ch. 12


Unexpected situations, initiative in 214
Unfavorable ranges, battle line moving through 1298
Units assigned tactical organization, kept intact 201


Vessels, disabled after action 1314-1316
disabled in action 12187-12192
effecting rendezvous 635
encountered in advance of cruising force, action regarding 633
in a disposition or formation dropping back from a position ahead or changing stations or leaving at night or during low visibility 639
joining a formation or disposition at night or in low visibility 636,637
non-naval, in advance of a force, treatment of 633
Victory to be followed up 233
Visibility for night aircraft operations 1013
Visual methods of identification, methods of 523
Visual signal methods used 502


War Instruction 1944, applicability Preface
purpose "      
scope "      
Waste material, disposal of 640
Waters, avoid passing thru or in proximity to same traversed in preceding twenty-four hours 701, 732
Whistles, use of when ship is darkened 407
Wind, effect on direction of deployment 1265
Wing, detached, normal organization 1201
Withdrawal action Sec. XXVI, ch. 12
air (carrier) groups 12328-12330
battle line 12319-12322
course 12316
detached wing 12323
disposition of force 12315
light forces 12324-12326
mine vessels 12327
purpose 12310-12318
submarines 12331
train 12332,12333






Zigzagging 702-708
line of bearing of ships in formation 705
slow speed formation 706


Transcribed and formatted for HTML by Patrick Clancey, HyperWar Foundation