January 24, 1944
The Battle of Cassino begins. It takes four major assaults
and four months to take Cassino. The 100th Infantry Battalion
fights in the first two assaults. |
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March 1944
MISers translate Japanese Z-Plan, the Japanese Imperial
Navy’s defense strategy for the Marianas, Guam, Saipan
and Tinian. |
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March 26, 1944
100th Infantry Battalion lands at Anzio, the second front
between the Gustav Line and Rome. The 100th Infantry Battalion
is assigned a section in the Anzio beachhead in April.
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April 1944
The 1399th Engineering Construction Battalion is formed
to work on non-combat construction and maintenance projects
in the Hawaiian Islands. |
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Saipan and Tinian invasion. |
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MIS joins Joint Intelligence
Center of Pacific Ocean under command of Admiral Nimitz.
MIS joins Office of War Information (under State Department)
in the China-Burma-India Theater. |

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MIS interpreters
in the Pacific. |
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May 1, 1944
442nd RCT ships out of Hampton Roads, Virginia, Port of
Embarkation to Europe. |
June 1944
MISers participate in the invasion of Saipan. |
June -
August 1944
Nisei MISers participate in Marianas Campaign. |
June 2, 1944
The 100th participates in the breakout to Rome by attacking
and capturing Lanuvio.
The 442nd RCT arrives at Naples harbor and on June 10th
meets the 100th Infantry Battalion in Civitavecchia, northwest
of Rome. |
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June 5, 1944
Rome falls. |
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June 26, 1944
The 442nd RCT is assigned to the Fifth Army and in turn
is attached to the 34th Division. The battle-tested 100th
Infantry Battalion is attached to the 442nd RCT and the
442nd goes into combat near Belvedere, Italy. |
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July 1944
Five Nisei MISers are part of the “Dixie Mission,” sent
to Yenan, the wartime headquarters of the Chinese Communists,
to gather military intelligence information. |
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July 7, 1944
442nd RCT takes Hill 140 in Italy after a bitter battle. |
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July 9, 1944
100th Infantry Battalion occupies and controls Leghorn
directly under the control of the Fifth Army in Rome. |

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Nisei soldiers
of the 100th Infantry Battalion in Leghom, Italy. |
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July 27, 1944
General Mark Clark presents the Distinguished Presidential
Unit Citation to the 100th Infantry Battalion at Vada,
Italy for action at Belvedere.
August 1944
Merrill’s Marauders captures Myitkyina, the vital junction
for opening the Burma Road into China.
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General Clark
presenting the Distinguished Presidential Unit
Citation to the 100th Infantry Battalion. |
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Kenny Yasui, an MISer,
impersonates a Japanese colonel and orders 15 Japanese
soldiers to follow him, thus ending in their capture. |

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Kenji Yasui
and Karl Yoneda with the Office of War Information
psychological warfare team in Burma. |
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Nisei are in the Marshall
Islands campaign. |
August 1944
MISLS is expanded and moved from Camp Savage to Fort Snelling,
Minnesota. |
August 1 - September
14, 1944
Antitank (AT) Co. is detached from 100/442 RCT and attached
to the 1st Airborne Task Force with the 517th Parachute
RCT. AT completes 12 days of tactical glider training
near Rome. August 15, 1944, they participate in the D-Day
Invasion of Southern France. At 15:30 hours, 44 AT gliders,
C-47 in tow, land in Le Muy, France. Rejoins the 100/442
RCT on October 11, 1944 in Bruyeres. Awarded the Southern
France Campaign Glider Badge with Assault Star and Bronze
Arrowhead. |
August 14, 1944
The 100th Infantry Battalion is formally made an integral
part of the 442nd RCT. |
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August 31, 1944
442nd RCT minus the 100th reaches the Arno River in Italy
near Florence. 100th Infantry Battalion spearheads the
crossing of the Arno River and the capture of Pisa for
the IVth Corps. |
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September 26, 1944
442nd RCT leaves Naples for France. |
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September 30, 1944
100th/442nd RCT is attached to the 36th Division (AKA
the Texas Division) of the Seventh Army. |

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100th/442nd
RCT is attached to the 36th Division (a.k.a. the
Texas Division). |
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October 1944
MIS participates in the Philippines Invasion. |
October 15, 1944
The 100th/442nd RCT enters the battle of Bruyeres in the
Vosges Mountains. |
October 19, 1944
At Bruyeres, after three days of fighting, the 100th Infantry
Battalion takes Hill A, the key to Bruyeres, the 2nd Battalion
takes Hill B, and enters the town. |

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Japanese American
Infantrymen move past knocked out Nazi half track
on the road near Bryueres, France. |
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October 20, 1944
100th Infantry Battalion captures Hill C. |
October 22, 1944
100th Infantry Battalion takes Biffontaine, suffering
many casualties attempting to hold Biffontaine. |
October 26-31, 1944
100th/442nd RCT rescues the “Lost Battalion,” which was
cut off and surrounded by the enemy. |

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Japanese American
Infantryman rescuing the "Lost Battalion." |
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