Humaybunay: [351]–52

Hydrographic ships: [42]

Ignacio, 1st Lt. R. C: [19n]

Imahori, Col.: [287], [313]–14, [314n], [334] Imperial General Headquarters: [49], [208], [275], [360], [362], [363]
co-ordination between services: [88]
and defense of Philippines: [49]–50, [51]–52
and deployment of naval forces: [44]
naval plans of: [88]
orders reinforcement of Pacific bases, summer 1944: [46]
plans for defense of Philippines: [85]
and replacement of Kuroda: [50]
Suzuki on defense plans of: [50]
tactical plans of: [294]

Improvisations, Japanese. See Tactics, Japanese, improvisations.

Improvisations, U. S. See Tactics, U. S., improvisations.

Infantry Battalions, Japanese. See Japanese Army units, Battalions.

Infantry Battalions, U. S. See also Infantry Divisions, U. S.; Infantry Regiments, U. S.
1st, 17th Regiment: [241]
advance on Burauen: [133]
advance on Dagami: [137]–40, [141], [142]–43
at Battle of the Hills: [268]–72
at end of A Day: [127]
missions of: [132], [138]
2d, 17th Regiment
advance on Burauen: [133]
advance on Dagami: [137]–40, [141]–43
at Battle of the Hills: [268]–71, [272]–73
commander of: [142]
at end of A Day: [127]
missions of: [132], [138]
3d, 17th Regiment: [132], [241]
A-Day operations of: [78]
advance on Burauen: [131]
advance on Dagami: [139], [140]–41, [143]–44
at Battle of the Hills: [270], [271], [273]
missions of: [76]
results of A-Day operations: [127]
1st, 19th Regiment
A-Day operations of: [68], [69]–72
advance on Carigara: [171]–72, [173]
commander of: [171]
at Hill 522: [161], [166]–67
at Hill 85: [167]
missions of: [166]–67, [178], [211]
2d, 19th Regiment
A-Day operations of: [69]–70
advance on Carigara: [172]
advance on Ormoc: [223], [225]–27, [229]–30
at Breakneck Ridge: [213], [215], [216]
commander of: [167], [215]
at Hill B: [166]–67
missions of: [163], [166], [213], [218], [219], [223]
at Palo: [163]–64
3d, 19th Regiment
A-Day operations of: [69]
advance on Carigara: [171]–72
casualties of: [164]
at Castilla: [165]
commander of: [171]
lateral liaison of: [112]
missions of: [212]
at Palo: [161], [164], [166]
at San Joaquin: [164]
1st, 21st Regiment: [212], [213], [215], [216], [219]–20
2d, 21st Regiment: [212]–16, [219], [220]
3d, 21st Regiment: [211]–12, [213], [215]–16, [219], [220]
1st, 32d Regiment
advance on Burauen: [129], [130], [131], [133]
commander of: [129]
in Mahonag area: [323]
missions of: [134], [136], [256], [264]
ordered to Panaon Strait: [145]
securing Buri airfield: [134]–37
2d, 32d Regiment: [131], [134], [135], [144]–45
A-Day operations of: [77]–78
advance on Burauen: [128]–29, [130], [133]
advance on Ormoc: [243]–54
commander of: [256]
in Mahonag area: [323]
securing Buri airfield: [135]–37
at Shoestring Ridge: [256], [257]–59, [261]–64
3d, 32d Regiment
A-Day operations of: [77]–78
advance on Burauen: [128]–30, [133]
at Battle of the Hills: [269]–70
commander of: [256]
in Mahonag area: [322]–23
missions of: [128], [135], [136]
securing Buri airfield: [135]–37
at Shoestring Ridge: [257]–60, [262]–63, [264]–65
1st, 34th Regiment: [173]
A-Day operations of: [68]
advance on Carigara: [169]–70, [179], [181]
advance on Ormoc: [218], [219]
advance on Palo: [161]
advance on Pinamopoan: [206]–07
casualties of: [234]–35
commander of: [165], [169]–70
at Hill C: [165]
at Kilay Ridge: [225]–35
missions of: [177]–78, [223]
in northwest Leyte: [356]–58
2d, 34th Regiment
A-Day operations of: [68]
advance on Carigara: [169], [170]–71, [173], [178]–79, [181]
casualties of: [158]–59
commander of: [157]
at Hill C: [166]
missions of: [176]–77
in northwest Leyte: [357]–58
at Pawing: [158]–61
at Pinamopoan: [207]
results of A-Day operations: [157]
3d, 34th Regiment
A-Day operations of: [68]
advance on Carigara: [171], [172]–73, [176]–78, [179], [181]
at Breakneck Ridge: [207]
at Capoocan: [207]
commander of: [173]
at Hill C: [165]–66
missions of: [173], [176]
at Pawing: [159]
results of A-Day operations: [157]
1st, 126th Regiment: [326], [328], [340]–42
2d, 126th Regiment: [325]–26, [328], [340]–41
3d, 126th Regiment: [326], [328], [340]–41
1st, 127th Regiment: [326]
2d, 127th Regiment: [326], [328]
1st, 128th Regiment: [224]–25
2d, 128th Regiment: [224]–25, [234]
3d, 128th Regiment: [224]–25, [325]
1st, 149th Regiment: [303]–04
2d, 149th Regiment: [303], [304]
1st, 184th Regiment: [133]
A-Day operations of: [78]
at Battle of the Hills: [266], [267]–68, [270]
missions of: [128]
in Ormoc: [320]
results of A-Day operations: [127]
at Shoestring Ridge: [258], [260]–61, [263]–65
2d, 184th Regiment: [133]
A-Day operations of: [78]
advance on Burauen: [127]–28
advance toward Dagami: [137]–39, [140]
at Battle of the Hills: [266], [267]–68, [270]
missions of: [132]
at Shoestring Ridge: [256], [264]–65
3d, 184th Regiment
A-Day operations of: [78]
advance on Burauen: [128]
at Battle of the Hills: [267]–68, [269]–70, [272]
missions of: [128], [264]
results of A-Day operations: [127]
1st, 305th Regiment
in drive on Ormoc: [285]
mission of: [290]
in Ormoc Valley: [317], [318]–20, [321], [330], [333]
in Palompon area: [349]–51
2d, 305th Regiment
in drive on Ormoc: [285]
mission of: [290]
in Ormoc Valley: [315], [316], [318]–20, [321], [330]
in Palompon area: [349], [352]–54
3d, 305th Regiment
in drive on Ormoc: [285]
mission of: [290]
in Ormoc Valley: [315], [316], [318]–20, [321], [330], [335]
in Palompon area: [349], [352]–54
1st, 306th Regiment: [289], [291], [316]–17, [338]–39
2d, 306th Regiment
in drive on Ormoc: [287], [289], [291]
missions of: [285]
in Ormoc Valley: [317], [333], [335], [338], [345]
3d, 306th Regiment: [298]
in drive on Ormoc: [289], [291]
in Ormoc Valley: [316]–17, [333]–34, [338], [345]–46
1st, 307th Regiment: [285]–86, [289]
2d, 307th Regiment: [285]
1st, 381st Regiment: [119]–20
2d, 381st Regiment: [119]–20
3d, 381st Regiment: [119]–22
1st, 382d Regiment: [107]
A-Day operations of: [75]
advance to Kiling: [122]–23
at Aslom: [114], [116]
commander of: [122]–23
in Dagami area: [241]–43
and defense of the airfields: [304]
missions of: [110], [111], [113], [122], [300]
operations: [110], [111], [113]–14
2d, 382d Regiment: [122], [123]
A-Day operations of: [74]–75, [107]
casualties of: [117]
in Dagami area: [241]–43
missions of: [110], [111], [113], [116]
operations of: [110]–11, [114]
at Tabontabon: [116]–17
3d, 382d Regiment: [110], [113], [114], [242]–43
A-Day mission of: [75]
A-Day operations of: [107]
advance to Kiling: [122]
missions of: [116], [122]
operations of: [110], [111], [113]–14
at Tabontabon: [116]
1st, 383d Regiment: [114], [120]
A-Day operations of: [74]
at Labiranan Head: [108]–09, [118]–19
at Labir Hill: [114]
missions of: [107], [108], [112], [119]
results of A-Day operations of: [107]
2d, 383d Regiment: [110]
A-Day operations of: [74]
commander of: [117]
missions of: [108], [110], [117], [118]
operations of: [110], [111]–12
at Pikas: [114]
results of A-Day operations of: [107]
at San Vicente Hill: [117]–19
3d, 383d Regiment: [114]
on A Day: [115]–16
missions of: [108], [110], [118]
operations of: [110], [111], [112]
results of A-Day operations of: [107]
at San Vicente Hill: [118]–19
at Tabontabon: [115]–16
6th Ranger: [58]
casualties of: [55]
commander of: [54]
confirms target date: [39]
Krueger on use of: [32]
medical support of: [192]
missions of: [28], [31], [34], [55]
operations of: [54]–55

Infantry Divisions, Japanese. See Japanese Army units, Divisions.

Infantry Divisions, U. S. See also Infantry Battalions, U. S.; Infantry Regiments, U. S.
7th: [80]–82, [111], [256], [273], [285], [295], 333.
See also Infantry Regiments, U. S., 17th, 32d, and 184th; XXIV Corps.
A-Day operations of: [72], [76]–78, [83]–84
casualties of: [145]
combat experience of: [26]
deployment of: [275], [293]
estimate of Army and Navy air support: [93]
lateral liaison of: [76], [107]–08, [286]
medical support: [192], [195], [198], [202]
missions of: [33], [107], [124]–27, [145], [218], [243], [253], [266], [271], [277]
mopping-up operations of: [365]
on one-ton trailer: [250]
results of A-Day operations: [127]
secures XXIV Corps beachhead line: [133]–45
on 75-mm. self-propelled howitzer: [249]
supply problems: [83]–84
on 37-mm. gun: [249]
tactical plans: [34], [240], [254]
zone of action: [124]
24th: [32], [144]–45, [200]–201, 275.
See also Infantry Regiments, U. S., 19th, 21st, and 34th; X Corps.
A-Day operations of: [67]–72, [78]–80, [82]
available for Campaign: [9]
casualties of: [181]–83, [225]
combat experience of: [26]
commander of: [67]
drive on Ormoc: [206]–08, [210]–20
at Hollandia: [40]
Irving assumes command ashore: [72]
on Japanese training: [251]
landing area: [33], [67], [80]–82
lateral liaison: [67], [112], [185], [210], [356]
medical support of: [192], [194], [195], [198]
missions of: [33], [34], [62], [67]–68, [157], [168], [206], [210], [218], [223], [253], [347]
in northwest Leyte: [356]–58
operations in northern Leyte Valley: [157]–67,168–74, [176]–83
results of A-Day operations: [157]
shipping for: [38]–39
tactical plans of: [33], [62], [347]
32d: [34], [220], [222], [230], [232], [237], 306.
See also Infantry Regiments, U. S., 126th, 127th, and 128th; X Corps.
casualties of: [225]
combat experience of: [26]–27
at Kilay Ridge: [234]
lateral liaison: [238]
missions of: [26], [223], [253], [347]
in Ormoc Valley: [275], [293], [313], [324], [325]–28, [339], [342], [343]
in Palompon area: [354]–56, [358]
strength of: [26]
38th: [303]–04
77th: [222], [298], [305], [306], [361], [362], 365.
See also Infantry Regiments, U. S., 305th, 306th, 307th; XXIV Corps.
casualties of: [293], [321], [354]
combat experience of: [27]
commander of: [276]
and defense of the airfields: [297]
landing area of: [273]
lateral liaison of: [293], [342], [345]
missions of: [277], [329], [336], [349], [358]
mopping-up operations of: [365]
in Ormoc area: [276]–79, [280], [284]–87, [289]–90, [293]
in Ormoc Valley: [313]–15, [319]–21, [325]–28, [339], [342], [345]
in Palompon area: [347], [349], [354]–55, [358]
shipping for: [38]
strength of: [26]
supply problems: [310]–12
81st: [38]
96th: [26], [27], [34], [41], [76], [83], 131. See also Infantry Regiments, U. S., 381st, 382d, and 383d; XXIV Corps.
A-Day operations of: [72]–76
advance to Kiling: [121]–23
casualties of: [114], [123]
in Catmon Hill area: [114]–23
commander of: [76]
and defense of the airfields: [300], [303]–04
on DUKW: [250]
enlarges its beachhead area: [107]–14
landing area of: [33], [72]–74, [80]
lateral liaison: [77], [127], [144], [164]
medical support of: [192]–95
missions of: [33], [34], [107], [218], [243]
mopping-up operations of: [240]–43, [275], [365]
on 105-mm. self-propelled howitzer, [249]
results of A-Day operations of: [76]
tactical plans of: [107]
on Thompson submachine gun: [249]
zone of action: [124]
Americal: [365]