Infantry Regiments, Japanese. See Japanese Army units, Regiments.

Infantry Regiments, U. S. See also Infantry Battalions, U. S.; Infantry Divisions, U. S.
17th, 7th Division: [240], [241], [264], [293]
A-Day operations of: [76], [78]
advance on Burauen: [132]–33
advance on Dagami: [121], [137]–44
at Battle of the Hills: [266]–67, [268]–73
commander of: [138]
estimate of enemy forces in Dagami: [141]
lateral liaison: [131]
missions of: [144], [296]
results of A-Day operations: [127]
19th, 24th Division
A-Day operations of: [67]–72
advance on Carigara: [171]–73, [179]
at Breakneck Ridge: [211], [212], [213], [215], [216], [218], [219]
commander of: [171], [213]
in drive on Ormoc: [223], [225]–27, [229]–30
headquarters moved to Palo: [164]
at Hill B: [166]–67
lateral liaison of: [112], [144], [171], [229]–30
missions of: [67], [166], [168], [171]–72, [178], [206], [223]
at Palo: [161]–65
presidential citation: [225]–27
results of A-Day operations: [157], [161]
21st, 24th Division: [67], [168]
A-Day operations of: [78], [145]
at Breakneck Ridge: [211]–16, [218]–20, [223]–24, [227], [237]
casualties of: [220]
confirms target date: [39]
commander of: [211], [213]
on Japanese training: [251]
Krueger on use of: [31]–32
medical support of: [192]
missions of: [32], [33], [34], [62], [206], [210], [223]–24
at Panaon Strait: [32], [33], [78], [145], [206], [256]
32d, 7th Division: [138], [268], [269]
A-Day operations of: [77]–78
advance on Baybay: [144]–45, [253]
advance on Burauen: [128]–33
at Buri airfield: [133]–37
casualties of: [263]
commander of: [76], [133]–34
landing area of: [76]
lateral liaison: [76], [107], [127]–28, [129], [131]
in Mahonag area: [322]–23
missions of: [127], [128], [134], [253]
results of A-Day operations: [127]
at Shoestring Ridge: [254]–65
tactical plans of: [76]
34th, 24th Division: [210]–11
A-Day operations of: [66]–69
advance on Carigara: [169]–71, [172]–73, [175n], [176]–79, [181]
advance on Ormoc: [206]–08, [211], [218], [219]
advance on Palo: [161]–63
amphibious operations of: [227]
commander of: [68], [357]
at Hill C: [165]–66
at Kilay Ridge: [225]–35
lateral liaison: [66], [157], [171], [173], [181], [229]–30
missions of: [67]–68, [168], [180], [206], [223], [227], [277]
in northwest Leyte: 365–58
at Pawing: [157]–61
results of A-Day operations: [157]
126th, 32d Division: [238]–39, [325]–28, [339]–41
127th, 32d Division: [325], [326], [328], [339], [340], [341]–42, [355]–56
128th, 32d Division: [220], [223]–25, [233], [234], [325], [355]–56
149th, 38th Division: [303]–04
158th: [31]–32
184th, 7th Division: [256], [258], [265], [273], [293]
A-Day operations of: [78]
advance on Burauen: [127]–28, [129]–30, [131], [132], [133]
advance toward Dagami: [137]–39, [140]
at Battle of the Hills: [266]–68, [269]–70, [271]–72
commander of: [76]
landing area of: [76]–77
lateral liaison: [127]–28, [129], [131]
missions of: [76], [127], [128]
in Ormoc Valley: [320], [321]
results of A-Day operations: [127]
at Shoestring Ridge: [260]–61, [263]–64
305th, 77th Division
in advance on Ormoc: [284]–85, [286], [288], [289]–90, [291]
commander of: [284]
missions of: [284]–85, [286]–87
in Ormoc Valley: [315], [316]–17, [318]–20, [321], [329], [330], [331], [333]–36
in Palompon area: [349]–51, [352]–54
306th, 77th Division: [297], [298], [352]
in advance on Ormoc: [287], [289], [290], [291], [292], [293]
commander of: [285]
missions of: [277], [285], [291]
in Ormoc Valley: [315]–17, [319]–21, [329]–31, [333]–37, [338]–39, [345]
307th, 77th Division
in advance on Ormoc: [285]–86, [287]–90, [291], [292]–93
commander of: [285]
missions of: [285], [286]
in Ormoc Valley: [315]–17, [319], [320]–21, [329]–31, [333], [334], [336]–38, [345]
381st, 96th Division: [34], [76], [117], [119]–22
382d, 96th Division: [114], [122]
A-Day operations of: [74]–75
advance to Kiling: [122]–23
advance on Tanauan: [141]
at Buri airfield: [304]
casualties: [110], [117]
commander of: [74]
expands beachhead: [110], [111], [112], [113]–14
landing area of: [72]
lateral liaison: [144]
missions of: [107], [108], [110], [113], [122], [300]
mopping-up operations in Dagami area: [240], [241]–43
results of A-Day operations: [107]
at Tabontabon: [116]–17
383d, 96th Division: [120]
A-Day operations of: [74]
commander of: [74]
expands beachhead: [110]–12
landing area of: [72]
missions of: [107]–08, [110], [119]
results of A-Day operations: [107]
at San Vicente Hill: [117]–19
at Tabontabon: [114]–16

Infiltration, Japanese. See Tactics, Japanese, infiltration.

Intelligence, Japanese: [18], [250]–51, [254n]

Intelligence, U. S.
on Carigara: [179]–80
coastwatchers: [20]
on condition of landing beaches: [57]
estimate of: [9]
estimate of enemy strategy: [22]–23
estimate of enemy strength: [8], [21]–22, [42]–43
estimate of enemy forces: [141]
estimate of guerrilla strength on Leyte: [18]
estimate of political situation in Japan, July 1944: [21]–22
from guerrillas: [250], [254], [348]
from Filipinos: [200]–201
Kangleon mission: [17], [19]–20
Krueger on: [250]
of mine charts on Suluan: [31]
Parsons mission: [16]
from prisoners of war: [135], [141], [296]
results of guerrilla movement: [20]
of survivors of Corregidor: [18]
Villamor mission, 1942: [19]

Ipil: [101], [283], [287], [289], [290], [293], [312], [314]
operations at: [284]–87

Irving, Maj. Gen. Frederick A.: [200]–201, [210], [213], [220], 356.
See also Infantry Divisions, U. S., 24th.
assumes command ashore: [72]
command of: [67]
tactical plans of: [179], [206], [210], [211], [212], [215], [218]–19, [227]

Jalubon: [320], [330]

Janabatas Channel: [155]

Japan: [3], [10], [86]
MacArthur on: [4]
missions of Japanese forces in: [54]
plan for invasion of: [2]
reaction to action off Formosa: [44]
reinforcement of: [46]
route to: [7]
situation in, July 1944: [21]–22