Since its reactivation, the unit underwent several organizational changes between 1947 and current, from a Battle Group to a Battalion, and finally, to its current structure. Today, the 100th Battalion, 442nd Infantry Regiment (USAR) is the only ground combat unit in the United States Army Reserves.
Soldiers in the 100th Battalion, 442nd Infantry Regiment (USAR) are well aware of the heritage they inherited and the record they must uphold from the original 100th Infantry Battalion, 442nd Regiment Combat Team, the most decorated unit size and length of service in the many years' history of the United States Army.
Soldiers in the 100th Battalion, 442nd Infantry Regiment (USAR) are well aware of the heritage they inherited and the record they must uphold from the original 100th Infantry Battalion, 442nd Regiment Combat Team, the most decorated unit size and length of service in the many years' history of the United States Army.
January 16, 2026
Some of the Board of Directors visited The Wall of Heals at University Hawaii West Qahu Campus and History Tour of the Mobile monument and lay a small wreath.
The Wall That HealsThe Wall That Heals is a three-quarter scale replica of the Vietnam Veterans Memorial in Washington, D.C. It honors the more than three million Americans who served in the Vietnam War and bears the names of the 58,281 men and women who made the ultimate sacrifice in Vietnam. The exhibit is designed to bring names and stories closer to home for families and veterans, and it will be open around the clock, with a public ceremony planned in the middle of the week. The Wall That Heals will be at UH West Oʻahu from January 14–19, 2026, and will be open 24 hours a day until it is dismantled on January 19. The exhibit will be accompanied by a mobile Education Center featuring digital "Hometown Heroes" displays, In Memory tributes, and exhibits outlining the war’s timeline and its impact on communities.
Short History Tour video.
Visit the Nine KIA on the wall of memories
December 6. 2025
2025 The "Go for Broke Association" Board of Director' Annually visit graves site of our fallen combat veterans that Kill in Action during the 1968 Call-up while served with 100th Battalion 442nd Infantry United States Army Reserve at the National Cemetery Punchbowl of the Pacific, Mililani Cemetery and Hawaii Cemetery (Hilo, Hawaii).
November 20, 2025
Military Night,
University of Hawaii Men's Basketball at the Stan Sheriff Center
November 11, 2025
79th Annual Wahiawa Veteran Day Parade
Wahiawa, Hawaii
Grand Marshall is Kimo Dunn (Colonel - Retire)
September 28, 2025
20TH ANNUAL JOINT MEMORIAL SERVICEHonoring the U.S. Soldiers of World War II who served in the 100th INF BN, 442nd RCT, MIS, and 1399th
HONOLULU, HI – On Sunday, September 28, 2025, at 9:30 a.m., the 20th Annual Joint Memorial Service, honoring the U.S. Soldiers of World War II who served in the 100th Infantry Battalion, 442nd Regimental Combat Team (RCT), Military Intelligence Service (MIS), and 1399th Engineer Construction Battalion, who died in World War II or have since passed on, will be held at the National Memorial Cemetery of the Pacific at Punchbowl.
HONOLULU, HI – On Sunday, September 28, 2025, at 9:30 a.m., the 20th Annual Joint Memorial Service, honoring the U.S. Soldiers of World War II who served in the 100th Infantry Battalion, 442nd Regimental Combat Team (RCT), Military Intelligence Service (MIS), and 1399th Engineer Construction Battalion, who died in World War II or have since passed on, will be held at the National Memorial Cemetery of the Pacific at Punchbowl.
August 14, 2025
2025 Annual Go For Broke Golf Tournament at Leilehua Golf Course.
May 26, 2025 - 74th Mayors Memorial Day Ceremony at the National Cemetery of the Pacific (Punchbowl).
May 10, 2025 - 45th GFBA Annual Membership Meeting Dinner at Hale Koa Hotel in Waikiki Ballroom.
December 15, 2024 - The "Go For Broke Association" Board of Director' Annually visit graves site of our fallen combat veterans that Kill In Action while served with 100th Battalion 442nd Infantry United States Army Reserve (U.S.A.R) at the National Cemetery Punchbowl of the Pacific, Mililani Cemetery and Hawaii Cemetery (Hilo, Hawaii).
December 14, 2024 - Wreath Across America at the National Memorial Cemetery of the Pacific.
November 11, 2024 - Veterans Day Ceremony at National Memorial Cemetery of the Pacific.
YouTube Video
June 17, 2024 - 9th MSC dedicates Joint Operations Center in honor of Sgt. Evan S. Parker
June 1 -10, 2024 - JPMRC-X in Philippines
(Echo Company, 100th Infantry Battalion, 442nd Infantry Regiment
May 27, 2024 - 73rd Mayors Memorial Day Ceremony at the National Cemetery at the Pacific (Punchbowl).
December 4 to 5, 2023 - 3rd Mobilization Support Group visits CNMI and Palau.
August 7, 2023 - Army Reserve Soldiers support Joint Task Force Red Hill
In October, more than 30 Army Reserve and National Guard Soldiers arrived at Joint Base Pearl Harbor-Hickam, Hawaii, to support Joint Task Force Red Hill throughout most of 2023. Known as the Gorilla Crew, the task force provides logistical support and workforce to Code 700 Fuels Department, Naval Supply System Command Fleet Logistics Center Pearl Harbor. The Soldiers assist with operations and maintenance of the fuel distribution systems at Joint Base Pearl Harbor Hickam. Safety/fire watch detail support is also part of the mission with JTF Red Hill.
Information:
NAVSUP Fleet Logistics Center Pearl Harbor
April 24 to 6 May, 2024 - Pacific Army Reserve leads multinational ground operations in Oceania.
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April 28, 2023 - 1st Lt. Anna Zaccaria of the U.S. Army Reserve, 100th Battalion, 442nd Infantry Recieves Ranger Tab.
December 10, 2022 - The "Go For Broke Association" Board of Director' Annually visit ten (10) graves site of our fallen combat veterans that Kill In Action while served with 100th Battalion 442nd Infantry United States Army Reserve (U.S.A.R) at the National Cemetery Punchbowl of the Pacific, Mililani Cemetery and Hawaii Cemetery (Hilo, Hawaii).
December 12, 2020 - The "Go For Broke Association" Board of Director' Annually visit ten (10) graves site of our fallen combat veterans that Kill In Action while served with 100th Battalion 442nd Infantry United States Army Reserve (U.S.A.R) at the National Cemetery Punchbowl of the Pacific, Mililani Cemetery and Hawaii Cemetery (Hilo, Hawaii). And this year a special memorial wreath were layed for those KIA during the Operation Iraqi Freedom Campaign.
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February 14, 2020 - Our fellow 1SG Sotelo, Jesse who served as First Sergeant during the 1980's with Combat Support Company and Vietnam Veteran.
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December 14, 2019 - The "Go For Broke Association" Board of Director' Annually visit ten (10) graves site of our fallen combat veterans that Kill in action while served with 100th Battalion 442nd Infantry United States Army Reserve (U.S.A.R) at the National Cemetery Punchbowl of the Pacific, Mililani Cemetery and Hawaii Cemetery (Hilo, Hawaii).
October 26, 2019 - 50th Annivesary Memorial Service to "REMEMBER, RETELL, REAFFIRM" those Soldiers during VIETNAM (1968-1969 Mobilization) and Operation Iraqi Freedom (2004-2006 Deployment).
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50th Annual Memorial Service at National Memorial Cemetery of the Pacific.Guest Speaker: Raymond Gandy Jr., BG (retire)
1-3 March 2019, Elite Soldiers compete for title of "Best Warrior". The Army Reserve winners were Noncommissioned Officer of the Year Sgt. Christopher Hadley, Bravo Co., 100th Battalion, 442nd Infantry Regiment and Soldier of the Year Spc. John Aquino, Echo Co., 100th Battalion, 442nd Infantry Regiment.
8 December 2018, The "Go For Broke Association" Board of Director' Annually visit ten (10) graves site of our fallen combat veterans that Kill in action while served with 100th Battalion 442nd Infantry United States Army Reserve (U.S.A.R) at the National Cemetery Punchbowl of the Pacific, Mililani Cemetery and Hawaii Cemetery (Hilo, Hawaii). The visiting those Vietnam KIA's of nine (9) Soldiers and Operation Iraqi Freedom - SGT Cariage, Deyson K. This year the tenth Soldier were added base on the information of the Commander of Charlie Company Doug Hill during OIF-3 mission. Reminder on this video the person laying the lei served with 9 Soldier during Vietnam Era.
November 2018, Echo Company, 100th Battalion, 442nd Infantry Regiment, 9th Mission Support Command, clear debris along Beach Road, Garapan, in the aftermath of Super Typhoon Yutu, Oct. 29, Saipan.
September 2018, Charlie Company 100th Battalion, 442nd Infantry Regiment (USAR) At a change of command ceremony yesterday at the Konelio Pele Reserve Center, Captain Carneen Cotton who has been commander of the Charlie Company passed the baton to Captain Timothy Shea.
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July 2018, Bravo Company, 100th Infantry Battalion, 442nd Infantry Regiment, 9th Mission Support Command, during a situational training exercise at East Range in Schofield Barracks, Hawaii, July 11, 2018. The exercise will validate the unit’s skills in preparation for Lightning Forge 18.
May 2018, Echo Company, 100th Battalion, 442nd Infantry Regiment, 9th Mission Support Command, pull security as military trucks and other equipment disembark from a floating vessel in Koumac, New Caledonia, May 20, during Croix Du Sud. Croix Du Sud is a multi-joint exercise consisting of military forces from several countries conducting military air, land and maritime operations.
On May 12, 2018 were held a 50th Annivarsary Celebration of the first activation of the 100th Battalion 442d Infantry United States Army Reserve (USAR) on 27 July 1947. This is conducted on the 41st Go For Broke Association Annual Dinner meeting for members.
August 27, 2017, Charlie Company of 100th Battalion, 442nd Infantry (USAR) which located in American Samoa, Historic 100th Battalion, 442nd Infantry (USAR), Welcomes Army Reserve’s 1st Female Infantry Commander with the passing of the Company guidon from receiving 1st Lietenant Siva to Lt. Col. Matthew Cloud into CPT Carneen Cotton.
June 2017, Lt. Col. Kenneth Tafao, outgoing commander of the 100th Inf. Bn., is passed the battalion colors during a change of command ceremony, June 22, at Fort Shafter Flats, U.S. Army Reserve Daniel K. Inouye Complex. Tafao relinquished command to Lt. Col. Matthew L. Cloud, a native of Illinois. Col. Joseph A. Ricciardi, commander, 303rd Maneuver Enhancement Brigade, and Command Sgt. Maj. Joshua T. Mason, command sergeant major, 100th Inf. Bn., witnessed the ceremony.
June 18, 2017, Soldiers of Echo Company and Bravo Company, 100th Battalion, 442nd Infantry Regiment receive instruction from an Observer/Controller (OC) of the 196th Infantry Brigade (Training Support Brigade) during exercise Lava Forge, at Kahuku Training Area, Hawaii.
November 2016, 100th Battalion Soldiers participate in amphibious landing training with multi-national armies and marines during Exercise Croix du Sud 2016, Plum, New Caledonia, Nov. 15. Croix du Sud, which means “Southern Cross” in French, is a multinational military exercise organized every two years by the French Armed Forces in New Caledonia, with a scenario based on the devastating aftermath of a category four cyclone. (Photo by Staff Sgt. Chanelcherie K. DeMello, 303rd Maneuver Enhancement Brigade, 9th Mission Support Command).
June 2015, 100th Bn., 442nd Inf. Regt. Soldier provides security during the battalion’s JRTC rotation with the 3rd BCT, 25th ID, at Fort Polk, Louisiana.
January 2015, Thirteen current members of the 100th Bn., 442nd Inf. Regt., 9th MSC, sing their battalion song at the conclusion of the Legion of Honor Ceremony at the Japanese Cultural Center, Jan. 23. The current Soldiers sang to honor Nisei veterans who had served before them and to display pride for the continued legacy of service in the “Go for Broke” Bn.
January 2015, Thirteen current members of the 100th Bn., 442nd Inf. Regt., 9th MSC, sing their battalion song at the conclusion of the Legion of Honor Ceremony at the Japanese Cultural Center, Jan. 23. The current Soldiers sang to honor Nisei veterans who had served before them and to display pride for the continued legacy of service in the “Go for Broke” Bn.
2012, The Battalion conducted two week training in Balikitan, Philippines.
September 2011, The Battalion conducted two week training in Malaysia.
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Headquartered located at Fort Shafter Flats, Honolulu, Hawai'i, the unit is under the command and control of the 9th Mission Support Command (USAR). It is also one of the infantry battalions falls under the 303rd Maneuver Enhancement Brigade (USAR), Honolulu, Hawaii.
On September 16, 2010 the 740th Combat Support Company was activated under the 100th Battalion, 442nd Infantry Regiment (USAR) with a special support for maintenance, cooks, transportation, fuel, and logistical assistance.
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released from active military service 22 September 2009 and reverted to reserve status.
During the deployment of the Battalion which performed many more combat mission in Kuwait and Iraq, performing over 1500 combat missions covering 1.3 million miles of roads.
August 2009 - 100th Battalion, 442d Infantry USAR was release from active military service and reverted back to reserve status. Unit lost two Soldiers, SSG Manglona (non-combat) while training at Fort Hood, Texas and SPC Hill (Kill In Action) in Operation Iraqi Freedom XI.
August 2009 - 100th Battalion, 442d Infantry USAR was release from active military service and reverted back to reserve status. Unit lost two Soldiers, SSG Manglona (non-combat) while training at Fort Hood, Texas and SPC Hill (Kill In Action) in Operation Iraqi Freedom XI.
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August 19, 2008 - The 100th Battalion, 442d Infantry USAR received active military service orders attached with the 29th Infantry Brigade (Seperate) of the Hawaii Army National Guard with combat Training at Fort Hood, Texas and follow on duty in Iraq and Kuwait.
March 2007: A small platoon size element (29 Soldiers) from Company D of the 100th Battalion / 442d Infantry USAR were place on active military status for duty in the Philippine's with a Joint Forces Service mission.
Operation Enduring Freedom-Philippines (Short Video)
December 2007 - The platoon size element from Company D of the 100th Battalion, 442d Infantry USAR returned to Hawaii following a successful mission and reverted back to reserve status.
Released from active military service 13 March 2006 and reverted to reserve status
January 2006: The 29th Infantry Brigade (Seperate) of the Hawaii Army National Guard and the 100th Battalion, 442d Infantry Regiment USAR returned to Hawaii following a successful mission in Iraq. The 100th Battalion / 442d Infantry Regiment USAR was awarded its Meritorious Unit Commendation for service in Iraq. Five members of the 100th Battalion, 442d Infantry were Five Killed in Action and with deployed of 732 Soldiers.
During the year-long deployment one of the unit discovering over 50+ weapons caches while deployed in Iraq. Unlike the soldiers of World War II who were predominantly Japanese Americans these soldiers came from as far away as United States of America, Alaska, Hawaii, Philippines, Samoa, Guam, Saipan and Palau.
Redesignated 1 October 2005 as the 100th Battalion, 442d Infantry Regiment
-LSA Anaconda, Iraq
-Fort Bliss Texas and Fort Polk, Lousiana
-Aloha Stadium, Hawaii
-Schofield Barracks, Hawaii
August 16, 2004, the Battalion was mobilized for duty in support of Operation Iraq Freedom III with the 29th Infantry Brigade (Seperate) of the Hawaii Army National Guard from Honolulu, Hawaii. The lengthy training took them from Schofield Barrack, Hawaii onto the training ground of Fort Bliss, Texas, and to Fort Polk, Lousiana, and further to Kuwait and the final location stationed 50 miles northwest of Baghdad at Logistical Support Area Anaconda.
Short Video's at the following location's:
Short Video's at the following location's:
Ordered into active military service 16 August 2004 at Fort Shafter, Hawaii
2002, The Battalion Annual Training at Schofield Barracks.
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February 15, 1999, Company A was inactivated from Fort DeRussy, Honolulu,Hawaii
February 16, 1999, Company E was established on Guam, with Echo Detachment 1 on the Island of Saipan.
Headquarters and Headquarters Company Detachment 1 is located in Hilo, Hawai'i.
The Headquarters and Headquarters Company Commands and Delta Company is relocated at Fort Shafter Flats, Honolulu, Hawai'i.
July 1999 - The Headquarters and Headquarters Company and Delta Company was relocated to Fort Shafter Flats, Honolulu, Hawai'i.
February 16, 1999, Company E was established on Guam, with Echo Detachment 1 on the Island of Saipan.
Headquarters and Headquarters Company Detachment 1 is located in Hilo, Hawai'i.
The Headquarters and Headquarters Company Commands and Delta Company is relocated at Fort Shafter Flats, Honolulu, Hawai'i.
July 1999 - The Headquarters and Headquarters Company and Delta Company was relocated to Fort Shafter Flats, Honolulu, Hawai'i.
September 1, 1994, Headquarters changed to Fort Shafter, Hawaii.
12 December 1969, 100th Battalion, 442nd Infantry (USAR) after returning from active military service and the unit reverted back to reserve status.
December 1980, a detachments element was activated at Pago Pago, American Samoa and evolved to become Company B.
Several months later, Company C was established in Guam and on the Island of Saipan in the Marianas.
In 1989, Company C was relocated from Saipan to Pago Pago, American Samoa.
Several months later, Company C was established in Guam and on the Island of Saipan in the Marianas.
In 1989, Company C was relocated from Saipan to Pago Pago, American Samoa.
May 13, 1968, The 100th Battalion, 442nd Infantry (USAR) was mobilized on May 13, 1968 at Fort DeRussy, Hawai'i during the Vietnam War Era, to provide individual replacements and as a strategic reserve unit. Nine soldiers were killed in action.
During the Korean War, all company grade officers and senior NCOs were recalled to active duty. The battalion also participated in "Operation Koolau" with the 25th Infantry Division and "Exercise Coral Sands" with the 11th Infantry Brigade (1965).