"Asan_Bay_Overlook" by NPS Photo , public domain
War in the PacificNational Historical Park - Guam |
The War in the Pacific National Historical Park is a protected area in the United States territory of Guam, in Apra Harbor, which was established in 1978 in honor of those who participated in the Pacific Theater of World War II. Various sites on the island of Guam are part of the Park. It is unique among the National Park System insofar as it honors the bravery and sacrifices of all those who participated in the Pacific Theater.
During World War II, Guam was captured by the Japanese forces in 1941 and liberated by the Americans in 1944. The park includes former battlefields, gun emplacements, trenches, caves, and historic structures.
Nations involved in the War in the Pacific include the United States, Japan, Australia, Canada, Mexico, China, France, Great Britain, New Zealand, the Netherlands, and the Soviet Union.
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maps
War in the Pacific - Visitor Map
Official Visitor Map of War in the Pacific National Historical Park (NHP) in Guam. Published by the National Park Service (NPS).
brochures
War In The Pacific - Brochure
Official brochure of War In The Pacific National Historical Park (NHP) in Guam. Published by the National Park Service (NPS).
War In The Pacific - Pacific Globe
Pacific Globe for War In The Pacific National Historical Park (NHP) in Guam. Published by the National Park Service (NPS).
War In The Pacific - Invasion Map
Invasion Map for War In The Pacific National Historical Park (NHP) in Guam. Published by the National Park Service (NPS).
https://www.nps.gov/wapa/index.htm
https://en.wikipedia.org/wiki/War_in_the_Pacific_National_Historical_Park
The War in the Pacific National Historical Park is a protected area in the United States territory of Guam, in Apra Harbor, which was established in 1978 in honor of those who participated in the Pacific Theater of World War II. Various sites on the island of Guam are part of the Park. It is unique among the National Park System insofar as it honors the bravery and sacrifices of all those who participated in the Pacific Theater.
During World War II, Guam was captured by the Japanese forces in 1941 and liberated by the Americans in 1944. The park includes former battlefields, gun emplacements, trenches, caves, and historic structures.
Nations involved in the War in the Pacific include the United States, Japan, Australia, Canada, Mexico, China, France, Great Britain, New Zealand, the Netherlands, and the Soviet Union.
War in the Pacific National Historical Park was established to commemorate the bravery and sacrifice of those participating in the campaigns of the Pacific Theater of World War II and to conserve and interpret outstanding natural, scenic, and historic values and objects of the island of Guam.
From the airport or Tumon, where most hotels are located, make your way to Route 1, Marine Corps Drive. Head south until the road ends and you arrive at the Naval Station Guam front gate. To the right, adjacent to the large 2-man Type-C Japanese midget submarine, is the T. Stell Newman Visitor Center.
T. Stell Newman Visitor Center
T. Stell Newman Visitor Center is open Tuesday-Saturday from 9 am to 4 pm.
The T. Stell Newman Visitor Center is located just outside the main gate of the Naval Base Guam on the ocean-side of Marine Corps Drive.
Asan Beach Overlook
Mountain view down toward beach.
Overlooking the invasion Asan Beach, this overlook honors the men and women killed on Guam in World War II.
Memorial Day Flag Honors at Asan Beach
Night view of light up US flags.
Honoring the Chamorro citizens and US service personnel killed during World War II.
Apaca point
Calm water beach at sunset.
This serene scene of Apaca Point does not reveal the intensity felt on the July 21, 1944 invasion.
NPS Geodiversity Atlas—War in the Pacific National Historical Park, Guam
Each park-specific page in the NPS Geodiversity Atlas provides basic information on the significant geologic features and processes occurring in the park. Links to products from Baseline Geologic and Soil Resources Inventories provide access to maps and reports.
green slopes above seashore
Coral Bleaching Monitoring on Guam
In response to stresses such as higher water temperatures, corals can lose the symbiotic microscopic algae (which provides up to 95% of the coral’s nutrition) from their tissues causing them to look white or "bleached." If favorable conditions return, corals can sometimes recover. However, bleached corals are more vulnerable to disease and other stressors, which can lead to death. This worldwide trend of coral bleaching is linked to global warming.
A bleached coral documented in Guam during inventory and monitoring.
Relics of War at War in the Pacific National Historical Park
The safety of National Park Service (NPS) staff in the field is paramount, and dangers take many forms. When NPS Pacific Islands Inventory & Monitoring Network biological technicians came across a WWII era grenade in a vegetation monitoring plot they knew what to do.
A WWII era grenade discovered in the War in the Pacific National Historical Park.
Outside Science (inside parks): Youth Summer Programs in Guam
See how oung citizen scientists are helping monitor coral reef health in War In The Pacific National Historic Site.
youth pointing to coral
Outside Science (inside parks): Clam Monitoring in Guam
Follow along as scientists track the growth and health of giant clams War In The Pacific National Historic Site.
giant white clam
Outside Science (inside parks): Coral Bleaching in Guam
See how scientists are dealing with coral bleaching War In The Pacific National Historic Site.
stark white coral underwater
Climate Change Clues from Monitoring
As climate changes, significant changes in weather conditions impact the natural environment by shifting patterns of precipitation, promoting extremes in storm behavior, and influencing bird migration, invasive species spread, coral reef decline, and much more. The Pacific Island Network (PACN) undertakes systematic long-term monitoring of a wide variety of natural resources to accurately determine if change is occurring and why.
Precipitation seen over the lush valleys of Kalaupapa National Historical Park.
Stream Life in Hawai‘i National Parks
Changes in weather patterns affect the quantity and quality of the water, which has profound effects on our native stream animals. In the Hawaiian Islands, the total amount of rain is expected to decrease as the impacts of climate change manifest.
A stream cascading through green vegetation
POET Newsletter September 2012
Pacific Ocean Education Team (POET) newsletter from September 2012. Articles include: Sea Level Rise and Coastal Parks; Fun with Coral Reefs and Climate Change Education; and Climate Change Exhibits From Sea to Rising Sea.
people on beach
Guam in World War II
While Guam is only 212 square miles, the island is rich in history. Only hours after Pearl Harbor was attacked, the Japanese began aerial bombings on Guam. After two days of strafing, the Japanese came ashore and hours later the naval governor surrendered the American territory. The island remained under Japanese control for 31 months until July 21, 1944 when the United States returned and liberated the island.
Marines on Guam
Series: Pacific Ocean Education Team (POET) Newsletters
From 2009 to 2015, the Pacific Ocean Education Team published a series of short newsletters about the health of the ocean at various National Park Service sites in and around the Pacific Ocean. Topics covered included the 2010 tsunami, marine debris, sea star wasting disease, ocean acidification, and more.
Ocean waves wash in from the right onto a forested and rocky shoreline.
POET Newsletter September 2014
Pacific Ocean Education Team (POET) newsletter from September 2014. Articles include: Sea Star Wasting Disease; Corallivore: Crown of Thorns Starfish Wreak Havoc in American Samoa — The NPS Responds; Seafloor in 3D; and Coral Bleaching Monitoring on Guam.
A large, red-colored sunflower sea star that appears to be melting or disintegrating.
Cecilia “Chilang” Cruz Bamba
Cecilia Cruz Bamba was a Chamorro woman who was orphaned at the age of nine during the Japanese attacks on Guam in 1941. Motivated by the grandmother who raised her, Bamba became a senator, businesswoman, and community leader.
Photo of woman with short curly hair smiling
PT Boats of World War II: From Home Front to Battle
PT (Patrol, Torpedo) boats were small, fast, and expendable vessels for short range oceanic scouting, armed with torpedoes and machine guns for cutting enemy supply lines and harassing enemy forces. Forty-three PT squadrons, each with 12 boats were formed during World War II by the U.S. Navy. PT boat duty was very dangerous and the squadrons suffered an extremely high loss rate in the war.
About a dozen men, some shirtless, standing in small groups on deck of boat with flag and guns.
Submarines in World War II
Submarines played a critical role in the Allied success of World War II. Learn about American, German, and Japanese submarines in the Atlantic and Pacific theaters.
Photo of a long, narrow submarine above water, at a dock.
Series: Women's History in the Pacific West - Pacific Islands Collection
Women's biographies from Hawai'i and Guam
Map of parks in Hawaii, American Samoa, Guam and Northern Mariana Islands
Guam: A Biogeographic and Maritime Cultural Landscape Exploration of a WWII Amphibious Battlefield
From January 27-February 25, 2023, a team of researchers will begin their search for submerged shipwrecks, aircraft, amphibious vehicles, artillery and other artifacts related to the 1944 invasion of Guam during World War II (WWII).
Amtrac amphibious tractor is submerged beneath about 50 feet of water
Series: Using Science to Preserve the Past
Conserving our nation’s rich cultural heritage – the stories, places, traditions, and artifacts that make up the fabric of our shared history – is an important part of the NPS mission. Throughout the Pacific West Region, park archeologists and paleontologists, museum curators, historic preservationists, and more are using scientific practices to better steward the cultural resources they protect. Explore these articles to learn more about their work.
Museum object of cat-like nimravid skull with large incisors
Travel Blog: The Pacific Islands
Writing Prompt: Travel Blog written by Audrey Nelson for "A Day in the Life of a Fellow" Article Series. Audrey is a NPS Workforce Management Fellow, in partnership with Northwest Youth Corps
Map of the Pacific Islands
Intern Spotlight: Nia Crawford and Baylee Bales-Woods
Meet Community Volunteer Ambassador interns Nia Crawford, at National Mall and Memorial Parks and Baylee Bales-Woods at War in the Pacific National Historical Park.
Two headshots. On left, headshot of Nia Crawford. On right, headshot of Baylee Bales-Woods.
Outside Science (inside parks): Guam
Take a tour of Guam's waters off War In The Pacific National Historical Park! In this 3 part series, you'll follow researchers as they monitor clams and coral bleaching, and learn more about summer programs in the park.
youth divers point at a coral reef
Shaping the System Under President Jimmy Carter
President Jimmy Carter oversaw one of the largest growths in the National Park System. Explore some of the parks that are part of the legacy of the presidency of Jimmy Carter, who served as the 39th president of the United States from January 20, 1977, to January 20, 1981.
Historic photo of Jimmy Carter walking through a crowd at Harpers Ferry
A Day When Everything Changed- Dwight Eisenhower and the Attack on Pearl Harbor
On December 7, 1941, Dwight Eisenhower was a fifty-one-year-old Bvt. Brigadier General at Fort Sam Houston in Texas. The events of that day would forever change both Eisenhower’s life and the course of world history.
Black and white photo of the wreckage of the USS Arizona protruding from the water of Pearl Harbor
Updated Species Database Will Help Boost Amphibian Conservation Across the National Park System
To steward amphibians effectively, managers need basic information about which species live in parks. But species lists need constant maintenance to remain accurate. Due to recent efforts, the National Park Service now has an up-to-date amphibian species checklist for almost 300 parks. This information can serve as the basis for innumerable conservation efforts across the nation.
A toad sits on red sand, looking into the camera.
Keeping Color in the Corals: Research Informs Decisions at War in the Pacific National Historical Park
At War in the Pacific National Historic Park, a coral species inventory helps park managers track trends in coral-reef health. Elevated ocean temperatures are the leading cause of coral bleaching, but this research can help protect corals in Guam that provide marine species a home to thrive in.
Several colorful fish swimming throughout a coral reef.
Community Volunteer Ambassadors
The primary duty of the Community Volunteers Ambassadors is to encourage local residents, particularly young people, to volunteer for climate-resilience-related projects in the park.
A young woman holds two fingers up in front of a cactus, seemingly doing the same thing
Project Profile: Pacific Islands Conservation Corps Program
The National Park Service will implement climate restoration projects primarily involving youth adults from American Samoa, the Northern Mariana Islands, and Guam.
An intern with equipment to pick up trash
Rapid Ethnographic Assessment Project:Asan Beach and Agat Beach Units
The Rapid Ethnographic Assessment Project (REAP) for the Asan Beach and Agat units of the park documented the mythic landscape, traditional practices, and ethnographic resources of the CHamoru and other traditionally associated people. It included interviews with eight individuals and incorporated existing archival and published information relevant to summarizing traditional cultural practices and cultural resources within the Asan and Agat units of the park.
Road through a village. The left side is lined with palm trees; the right side with wooden houses.
War Dogs in the Battle of Guam
The Marines, Army, and Coast Guard weren’t the only branches of the military to serve during the Battle of Guam. Three platoons of war dogs also played a part in liberating Guam!
Shirtless soldier walking a Doberman Pinschers on a leash along a beach
Surrender of Guam to the Japanese
A reproduction of three documents related to the surrender of Guam in 1941: Captain George McMillin's surrender letter (1941), Major General Horii's proclamation to the people of Guam (1941) and Captain McMillin's report of the surrender (1945).
People play under palm trees in the courtyard of a large white house.
Manenggon: A Time of Sorrow and Pain
Just days before the Battle of Guam, General Takashina ordered approximately 18,000 people, nearly the entire civilian population of Guam, to relocated to concentration camps in the jungles in the interior of the island. Manenggon was the largest of the camps. Most CHamoru spent the Battle of Guam in the concentration camps.
Hundreds of people in ragged clothes in a clearing in the jungle.
Project Profile: Prevention/Islands: Traveler Education
The National Park Service will lead a collaborative effort with Department of the Interior bureaus and other partners to promote behaviors that will decrease the risk of spreading invasive species on islands. Education and outreach products will be developed with the goal of reaching the largest audience of island visitors possible.
Half above and half underwater view of thick mangrove roots growing.
War in the Pacifc
War in the Pacific
National Historical Park
Guam
by air, sea, and land,
World War II’s
devastation tore across the Pacifc Ocean on a scale never
before experienced in human history. The warring nations—
the United States, Japan, China, British Empire, Netherlands,
and many others—were based thousands of miles away.
Caught in the crossfre were the people of the Pacifc islands
in whose homelands and waters combat raged for four years.
Hours after their surprise attack on Pearl Harbor, December 7, 1941, Japan bombed the US Territory of Guam
and within two days invaded the island. Like countless
indigenous people occupied by invaders, the Chamorros endured the destruction of their homes and
National Park Service
U.S. Department of the Interior
livelihoods, forced labor, imprisonment, and executions.
On July 21, 1944, US forces returned to retake the island.
War in the Pacifc National Historical Park commemorates
the bravery and sacrifce of all those who participated in or
were affected by World War II’s Pacifc Theater campaigns.
The park conserves and interprets Guam’s outstanding places,
artifacts, history, and culture. Throughout the park are
remnants of combat and occupation—artillery, earthworks,
battlegrounds—slowly succumbing to the elements. What
endures is the spirit, dignity, and bravery of those caught up
in a world at war.
Top: US forces retake Guam, July 1944
USS Maryland and capsized USS
Oklahoma, Dec. 7, 1941
Dec. 7 (Dec. 8 in Guam
and other points west of
International Date Line)
Japan’s surprise attack
on Pearl Harbor cripples
the US Pacifc feet;
Japan moves to occupy
much of Southeast Asia
and western Pacifc.
Dec. 8 Japanese bomb
islands of Wake, Guam,
and the Philippines.
On Guam, the targeted
minesweeper USS
Penguin is sunk outside
Apra Harbor.
Dec. 8–23 Wake Island
falls to Japanese; 45
Chamorro civilian airline
workers are stranded.
1942
Jan. 10 McMillin,
American military and
civilian personnel, and
American and Spanish
clergy are taken to POW
camps in Japan.
Feb.–March Japanese
rename island of
Guam Ömiyajima; the
Keibitai—Japanese naval
police—now govern.
April After Battle of
Bataan, thousands of
US and Filipino prisoners
perish in 62-mile forced
march to Japanese prison
camps.
May 4–8 Battle of the
Coral Sea: Japanese sink
A decree was sent out that night that all
men should go work in the fama’ayan,
the rice feld. . . . All the men, young and
old, were made to work from seven
o’clock in the morning until six o’clock in
the evening. They didn’t feed us anything, we ate whatever we found. When
it rained we continued working in the
rain, even when we were soaking wet. . . .
When harvesting time came, we had
gained nothing . . . Everything went to
the Japenese soldiers.
—Jose T. Acfalle
US carrier Lexington; US
stems Japanese advance.
June 4–7 Battle of Midway; Japan suffers major
losses of ships, aircraft,
and men.
Nov. 12–15 The decisive
American victory in the
Naval Battle of Guadalcanal prevents Japanese
from landing reinforcements.
1943
Under keibitai rule,
Chamorros may remain
on their ranches, but are
forced to learn Japanese
language and customs.
English is forbidden.
Chamorros suspected of
hiding family members
wanted by the Japanese
or aiding Americans
are harassed, beaten,
tortured, or executed.
1944
March 4 Anticipating
American invasion,
Japanese return to Guam
to reinforce southern
Marianas. Social activities are banned, schools
closed. Laboring at bayonet point, Chamorro
men, women, and children work in felds, build
defenses, and dig hundreds of shelter caves
for Japanese occupiers.
June 15 US forces
invade Saipan, suffering
heavy losses.
June 19–20 Battle of
Philippine Sea; US Navy
carrier forces devastate
Japanese feet.
Early July 10,000–
15,000 Chamorros are
forced to march to jungle camps with little
In order to support us my mother had a
soap factory . . . Mama would go from
house to house with the carabao cart to
collect all the ashes for the soap. We
used the soap to barter, one bar of soap
about the size of the regular GI bars. . . .
Every piece of soap we’d trade for one
chicken or fsh or vegetable. . . . My
mother was killed by the Japanese.
—Lorraine Mesa Aguon
food or water. Many do
not survive march; many
others die from horrifc
conditions in camps or
on work crews.
July 21 55,000 US
troops land on Asan
and Agat beaches;
despite 18,500 Japanese
defenders, both beaches
are secured.
July 24 US forces invade
Tinian.
Aug. 10 US declares
Guam secure. Liberation costs over 7,000
American and about
17,500 Japanese casualties. Japan’s grip on the
Marianas is broken.
1945
Guam transformed
into military fortress.
From here, US B-29s
execute bombing raids
on Japan, and Apra
Harbor becomes world’s
busiest port.
Pacifc Fleet and Pacifc Ocean Arenas, 1945
PATI POINT
August 7
PHILIPPINE SEA
0
5 Miles
3rd Marine
Division
July 21
Yigo
Hagåtña Tamuning
(Agana)
ASAN POINT
Asan
CABRAS ISLAND
OROTE
PENINSULA
1st Provisional
Marine Bri
Attu
SOVIET UNION
K
Peiping
KOREA
IL
R
U
ISL
A
HA
Philippine
Sea
Philippines
O C E A N
Wake Island
MARIANA
ISLANDS
Saipan
Tinian
Guam
Philippine Sea
BRITISH MALAYA
Singapore
NORTHEAST
NEW GUINEA
Papua
SOLOMON
ISLANDS
N
IS
LA
Pearl Harbor
N
GILBERT
ISLANDS
Equator
Guadalcanal
PAPUA
Coral Sea
AUSTRALIA
IIA
Kwajalein Greatest
extent of
MARSHALL
Japanese
ISLANDS
control
Tarawa
Leyte PALAU
Gulf
CAROLINE ISLANDS
Peleliu
N E T H ER LA N D S E AST INDIES
WA
S
FRENCH
INDOCHINA
Midway
D
THAILAND
AN
S
Iwo Jima
FORMOSA
BURMA
S
D
N
D
N
A
L
S
I
P A C I F I C
Shanghai
Okinawa
Hong
Kong
ALEUTI
Tokyo
JAPAN
C H IN A
ALASKA
Allied
offensives
NEW
HEBRIDES
FIJI
NEW
CALEDONIA
NEW
ZEALAND
Major battles or campaigns
(1941–1945)
RITIDIAN POINT
Mt Machanao
Conclusion of
Japanese resistance
August 10
PATI POINT
PHILIPPINE SEA
Yigo
Mt Santa Rosa
American
landing beach
July 21
ADELUP
POINT
Hagåtña
(Agana)
ASAN POINT
OROTE
PENINSULA
P ag
Airstrip secured
July 29
American
landing beach
July 21
Barrigada
Piti
APRA
HARBOR
Chalan
Pago
o
River
Mt
Chachao
Mt Tenjo
Mangilao
August 1
Pago Bay
Ylig
Apra
Heights
Yona
July 31
Ri v
GA’AN
POINT
Mt Barrigada
Tamuning
Asan
Cabras Island
August 7
August 6
Dededo
Tumon Bay
er
Santa Rita
Agat
Mt Alifan
BANGI POINT
PACIFIC OCEAN
Talofofo
r
July 30
Riv
e
Mt Lamlam
Ri
ve
Talofofo Bay
Umatac
U
m
gu
r
Isolated pockets of
Japanese resistance
July 26-August 10
Inarajan
Merizo
Anchang
Bay
Cocos Island
0
0
5 Kilometers
5 Miles