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    Guam  Mariana Islands

Guam is located at the southern end of the Mariana Islands. Prewar, Guam was an American territory.

Wartime History
On December 8, 1941 three hours after the attack on Pearl Harbor, Guam was attacked by Japanese aircraft . Two days later, on December 10, 1941 Japanese forces made an amphibious landing and the island was officially surrendered.

Occupied by the Japanese, at the height of the war, approximately 19,000 Japanese occupied the island, including the 31st Army Group, 29th Division (Southern Marianas Army Group) plus Japanese Navy personnel. List of Japanese units on Guam.

After a thirteen day bombardment, on July 21, 1944, Guam was assaulted by the US Marine 3rd Amphibious Corps. The Japanese managed to contain the attackers on the two landing beach and counterattacked, but failed to repulse the landing. The Americans renewed their assault, and reached the northern tip of the island on August 10, 1944.

After Guam was secured, the American developed the island into a major base area with several airfields to support B-29 Superfortress operations against Japan. Japanese guerrilla activities continued until the end of the war, and some even were holdouts for many years afterwards.

During 1947, a war crimes trial was conducted on Guam prosicuted by USMC Colonel Presley M. Rixey who tried those responsible responsible for the execution of American prisoners of war on Chi Chi Jima. General Yoshio Tachibana who ordered the executions and Lt. Col. Kikuji Ito who executed a prisoner were found guilty, hanged and buried in unmarked graves on Guam.

Guam is one of the major islands in the Marinas Group. Today it is a poplar tourist destination for mainly Japanese tourists.

Lat 13.6° N Long 144.8° E  Town located in the center of Guam Island. Agana Bay is offshore to the west, and Adelup Point to the west and Saupon Point to the north, and War in the Pacific Historical Park.

Apra Harbor
Main harbor located at the eastern center of Guam.

Pati Point
Located on the north-eastern shore of Guam.

North Field (Anderson Field, Anderson AFB)
Built by US Navy Seabees as a base for B-29 Superfortresses

Ritidian Point
Located on the north-western portion of Guam.

Northwest Field
Built by US Navy Seabees as a B-29 Superfortress and fighter base

Depot Field (Harmon Field)
Built by American forces as a B-29 aircraft depot and maintenance base, later named Harmon Field in honor of MIA/KIA General Harmon.

Piti Point
Japanese Artillery position that still exists today.

Tumon Bay
Located on the western shore of Guam, north-east of Agana Bay. Tumon Beach was the site of the 3rd Marine Division landings which immediately came under fire from the Japanese defenses dug in on the high ground overlooking the beaches.

Lat 13.4° N  Long 144.7° E  Located on the western coast of Guam, below Orote Peninsula.

Agat Bay
The 77th Army Division landed at Agat Bay.

Lat 13.5° N  Long 144.7° E  Located on the western coast of Guam, north of Apra Harbor. The waters at Asan Beach contain several pieces of submerged military equipment embedded in the colorful coral reefs.

Orote Point
Located on the western shore of Guam on the Orote Peninsula, bordering Apra Harbor to the north, and Agat Bay to the south, also the site of Orote Airfield.

Located near Orote Point

Apra Harbor
Borders Orote Point used as seaport and seaplane operating area during the war.

Yokoi's Cave
The home of Japanese Holdout Sergeant Soichi Yokoi who hid in the jungle between 1944 and 1972 unaware that World War II had ended. He is one of the more famous Japanese holdouts.

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Last Updated
May 22, 2017


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