369:
1514:
425:, proposed that the division be broken up on 6 May 1918, as he considered the National Army regiments insufficiently trained to be able to replace the Regulars within nine months, and the divisional organization unwieldy for border patrol duty. In response, the War Department disbanded the division on 12 May; its subordinate units remained on the border. Pershing was informed by Secretary of War
372:
371:
376:
375:
370:
377:
442:
was constituted in the
Regular Army on 20 August 1921 and was activated on 13 September 1921. It was formed from two of the three reconstituted cavalry brigades that were formerly part of the 15th Cavalry Division. Only the 1st and 2nd Brigades were part of the 1st Cavalry Division because of a
374:
385:
For the next several months, the division conducted methodical training by concentrating two out of three regiments in each brigade, with the third regiment periodically rotating off border duty. When it left the border, the division was intended to be replaced on border duty by new
429:
that all remaining cavalrymen were required for border duty, ending the possibility of employing a cavalry division on the
Western Front. The brigade headquarters remained active in the border until they were demobilized in July 1919.
159:. The division was originally trained for deployment to Europe, but only two of its regiments were sent there. The division was inactivated on 12 May 1918 and its remaining units sent back to the border as replacement
373:
605:. Vol. 3, Part 2: Zone of the Interior: Territorial Departments, Tactical Divisions Organized in 1918, Posts, Camps, and Stations (Reprint, 1988 ed.). Washington: Government Printing Office.
418:
390:
cavalry regiments, then in the process of organization. The organization of the division was completed in
February 1918 with the organization of the 1st Cavalry Brigade headquarters, and the
1546:
354:
239:
217:
195:
1541:
561:
443:
reduced table of organization for the cavalry division developed after the war; the 3rd
Cavalry Brigade (3rd Brigade, 15th Cavalry Division) became part of the new
729:
406:
were alerted for deployment to the AEF in response to a request from
Pershing for corps troops. However, only the 6th and 15th Cavalry were sent to the AEF via
1551:
1536:
365:. The three cavalry brigades were authorized 14,268 combatants and non-combatants, out of the total division strength (including support units) of 18,176.
341:
from 10 December, the division was intended to be sent to the AEF, and began forming in early
December. The divisional headquarters was organized at
619:
1471:
792:
666:
675:
632:
358:
1517:
722:
337:
for a mobile cavalry reserve despite French and
British suggestions against establishing such a unit. Under the command of Major General
1465:
1459:
1453:
1447:
1440:
715:
1502:
1434:
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1416:
1409:
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1305:
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1287:
1282:
1277:
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1257:
1247:
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1237:
1232:
1227:
1221:
1215:
1209:
1203:
1197:
1191:
1185:
1178:
1171:
1165:
1160:
1155:
1150:
1144:
1137:
1131:
1126:
1120:
1114:
1099:
1084:
768:
763:
267:
1252:
1079:
1074:
1068:
1062:
1057:
1051:
1044:
1037:
1030:
1013:
1008:
1003:
998:
993:
988:
983:
978:
973:
968:
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905:
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890:
885:
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875:
870:
865:
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855:
205:
124:
958:
953:
947:
850:
845:
840:
835:
830:
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820:
815:
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444:
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became commanding general on 30 April, and commanded it for the rest of its brief existence. The
Commanding General of the
244:
232:
222:
164:
119:
580:
151:
It was created with three cavalry brigades between
November 1917 and February 1918 in Texas and Arizona, and included the
1487:
381:
A United States Signal Corps-produced film including footage of cavalry training at Forts Sill and Sam
Houston, 1917–1918
346:
683:
640:
574:
322:
156:
1385:
1346:
1329:
1104:
1094:
1089:
773:
326:
261:
318:
314:
152:
330:
646:
163:
regiments were considered insufficiently trained. Elements of the division were reconstituted as the
689:
1311:
407:
1298:
786:
779:
757:
1482:
925:
895:
422:
414:
403:
399:
254:
249:
210:
395:
391:
227:
200:
600:
8:
738:
515:
513:
511:
481:
479:
477:
387:
160:
742:
338:
141:
88:
45:
707:
508:
474:
462:
1477:
1109:
679:
636:
606:
570:
628:
362:
350:
334:
279:
426:
174:
1530:
610:
569:. Vol. 2. Fort Leavenworth, Kansas: Combat Studies Institute Press.
145:
621:
Maneuver and Firepower: The Evolution of Divisions and Separate Brigades
342:
71:
598:
519:
485:
468:
602:
Order of Battle of the United States Land Forces in the World War
148:, the only United States cavalry division formed during the war.
537:
284:
Train Headquarters and Military Police, 15th Cavalry Division
299:
10th, 24th, and 39th Ambulance Companies and Field Hospitals
525:
737:
498:
496:
494:
1547:
Military units and formations disestablished in 1918
313:
The organization of the division was ordered by the
491:
1542:Military units and formations established in 1917
1528:
179:
668:Armies, Corps, Divisions, and Separate Brigades
723:
599:Historical Section, Army War College (1949).
1552:United States Army divisions of World War I
1537:Cavalry divisions of the United States Army
290:Supply Train (motor), 15th Cavalry Division
730:
716:
520:Historical Section, Army War College 1949
486:Historical Section, Army War College 1949
469:Historical Section, Army War College 1949
367:
287:Ammunition Train, 15th Cavalry Division
155:cavalry regiments that had guarded the
1529:
676:Center for Military History, U.S. Army
664:
633:Center for Military History, U.S. Army
617:
543:
502:
296:Sanitary Train, 15th Cavalry Division
711:
178:
559:
531:
192:Headquarters, 15th Cavalry Division
13:
317:on 27 November 1917 from the nine
14:
1563:
563:US Army Order of Battle 1919–1941
345:, Texas, the headquarters of the
1513:
1512:
553:
433:
357:at Fort Bliss, and that of the
325:, in response to the desire of
321:cavalry regiments guarding the
140:was a cavalry division of the
29:27 November 1917 – 12 May 1918
1:
450:
327:American Expeditionary Forces
455:
315:United States War Department
262:82d Field Artillery Regiment
180:15th Cavalry Division (1918)
7:
323:Mexico–United States border
157:Mexico–United States border
10:
1568:
273:7th Field Signal Battalion
170:
1510:
1496:
1022:
939:
801:
749:
546:, pp. 123, 125, 127.
185:
113:
110:
82:
77:
67:
63:18,176 (including trains)
59:
51:
41:
33:
25:
20:
665:Wilson, John B. (1999).
618:Wilson, John B. (1998).
560:Clay, Steven E. (2010).
534:, pp. 558, 568–569.
408:Camp Merritt, New Jersey
329:(AEF) commander on the
404:15th Cavalry Regiments
382:
102:U.S. Cavalry Divisions
423:Willard Ames Holbrook
415:DeRosey Caroll Cabell
380:
353:, Texas, that of the
255:17th Cavalry Regiment
250:15th Cavalry Regiment
211:16th Cavalry Regiment
206:14th Cavalry Regiment
138:15th Cavalry Division
125:21st Cavalry Division
21:15th Cavalry Division
695:on 24 September 2015
674:. Washington, D.C.:
445:2nd Cavalry Division
440:1st Cavalry Division
245:1st Cavalry Regiment
233:8th Cavalry Regiment
228:7th Cavalry Regiment
223:5th Cavalry Regiment
201:6th Cavalry Regiment
165:1st Cavalry Division
120:3rd Cavalry Division
522:, pp. 671–672.
488:, pp. 673–674.
471:, pp. 671–673.
419:Southern Department
359:3rd Cavalry Brigade
355:2nd Cavalry Brigade
347:1st Cavalry Brigade
240:3rd Cavalry Brigade
218:2nd Cavalry Brigade
196:1st Cavalry Brigade
743:United States Army
413:Brigadier General
383:
339:George Windle Read
293:9th Engineer Train
276:Headquarters Troop
142:United States Army
89:George Windle Read
46:United States Army
1524:
1523:
378:
310:
309:
134:
133:
130:
129:
94:
93:
1559:
1516:
1515:
732:
725:
718:
709:
708:
704:
702:
700:
694:
688:. Archived from
673:
661:
659:
657:
651:
645:. Archived from
629:Washington, D.C.
626:
614:
595:
593:
591:
585:
579:. Archived from
568:
547:
541:
535:
529:
523:
517:
506:
500:
489:
483:
472:
466:
421:, Major General
379:
363:Douglas, Arizona
351:Fort Sam Houston
335:John J. Pershing
280:2d Aero Squadron
176:
175:
108:
107:
99:
98:
18:
17:
1567:
1566:
1562:
1561:
1560:
1558:
1557:
1556:
1527:
1526:
1525:
1520:
1506:
1492:
1110:23rd (Americal)
1018:
935:
797:
745:
736:
698:
696:
692:
686:
671:
655:
653:
652:on 1 March 2014
649:
643:
624:
589:
587:
586:on 1 April 2017
583:
577:
566:
556:
551:
550:
542:
538:
530:
526:
518:
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492:
484:
475:
467:
463:
458:
453:
436:
427:Newton D. Baker
368:
311:
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173:
97:
84:
12:
11:
5:
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2:
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748:
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740:
733:
728:
726:
721:
719:
714:
713:
710:
691:
687:
685:0-16-049994-1
681:
677:
670:
669:
663:
648:
644:
642:0-16-049571-7
638:
634:
630:
623:
622:
616:
612:
608:
604:
603:
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582:
578:
576:9781780399171
572:
565:
564:
558:
557:
545:
540:
533:
528:
521:
516:
514:
512:
505:, p. 64.
504:
499:
497:
495:
487:
482:
480:
478:
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465:
461:
448:
446:
441:
431:
428:
424:
420:
416:
411:
409:
405:
401:
397:
393:
389:
388:National Army
366:
364:
360:
356:
352:
348:
344:
340:
336:
332:
331:Western Front
328:
324:
320:
316:
298:
297:
295:
292:
289:
286:
285:
283:
281:
278:
275:
272:
269:
268:9th Engineers
266:
263:
260:
256:
253:
251:
248:
246:
243:
242:
241:
238:
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231:
229:
226:
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209:
207:
204:
202:
199:
198:
197:
194:
191:
190:
188:
184:
177:
168:
166:
162:
161:National Army
158:
154:
149:
147:
143:
139:
126:
123:
121:
118:
117:
109:
106:
105:
101:
100:
96:Military unit
90:
87:
81:
76:
73:
70:
66:
62:
58:
54:
50:
47:
44:
40:
37:United States
36:
32:
28:
24:
19:
16:
1501:
1483:Panama Canal
1470:
1458:
1446:
1439:
1427:
1415:
1408:
1401:
1384:
1357:
1345:
1328:
1316:
1304:
1297:
1220:
1208:
1196:
1184:
1177:
1170:
1143:
1136:
1119:
1067:
1050:
1043:
1036:
1029:
963:
946:
808:
785:
778:
756:
697:. Retrieved
690:the original
667:
654:. Retrieved
647:the original
620:
601:
588:. Retrieved
581:the original
562:
554:Bibliography
539:
527:
464:
437:
434:Perpetuation
412:
410:on 4 March.
384:
319:Regular Army
312:
153:Regular Army
150:
137:
135:
15:
544:Wilson 1999
503:Wilson 1998
146:World War I
68:Garrison/HQ
1531:Categories
1488:Philippine
451:References
343:Fort Bliss
186:Components
85:commanders
78:Commanders
72:Fort Bliss
739:Divisions
699:26 August
656:26 August
611:976846766
590:26 August
532:Clay 2010
456:Citations
270:(Mounted)
167:in 1921.
1518:Category
1497:Mountain
1478:Hawaiian
1023:Infantry
750:Airborne
333:General
111:Previous
940:Cavalry
802:Armored
741:of the
264:(Horse)
171:History
144:during
83:Notable
55:Cavalry
34:Country
682:
639:
609:
573:
402:, and
42:Branch
26:Active
1472:108th
1466:106th
1460:104th
1454:103rd
1448:102nd
1441:100th
793:108th
787:101st
693:(PDF)
672:(PDF)
650:(PDF)
625:(PDF)
584:(PDF)
567:(PDF)
1503:10th
1435:99th
1429:98th
1423:97th
1417:96th
1410:95th
1403:94th
1397:93rd
1392:92nd
1386:91st
1380:90th
1375:89th
1370:88th
1365:87th
1359:86th
1353:85th
1347:84th
1341:83rd
1336:81st
1330:80th
1324:79th
1318:78th
1312:77th
1306:76th
1299:75th
1293:71st
1288:70th
1283:69th
1278:66th
1273:65th
1268:63rd
1263:51st
1258:49th
1253:48th
1248:47th
1243:46th
1238:45th
1233:44th
1228:43rd
1222:42nd
1216:41st
1210:40th
1204:39th
1198:38th
1192:37th
1186:36th
1179:35th
1172:34th
1166:33rd
1161:32nd
1156:31st
1151:30th
1145:29th
1138:28th
1132:27th
1127:26th
1121:25th
1115:24th
1105:19th
1100:17th
1095:13th
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