The Southern Expeditionary Army Group was a general army of the Imperial Japanese Army during World War II. It was responsible for all military operations in South East Asian and South West Pacific campaigns of World War II. Its military symbol was NA.
Chitose (千歳) was a warship of the Imperial Japanese Navy that served from 1938 to 1944, seeing service as a seaplane carrier and later as a light aircraft carrier during World War II. In her initial guise as a seaplane carrier, she first saw service during the Second Sino-Japanese War in 1938, and subsequently played a key role in the Imperial Japanese Navy's development of a network of seaplane bases on the islands of the Pacific Ocean. After the outbreak of World War II in the Pacific, she took part in the Philippines campaign, the Dutch East Indies campaign, the Battle of Midway, and the Guadalcanal campaign, during which she was damaged in the Battle of the Eastern Solomons and also saw service related to the Battle of Cape Esperance.
The Battle of Java was a battle of the Pacific theatre of World War II. It occurred on the island of Java from 28 February – 12 March 1942. It involved forces from the Empire of Japan, which invaded on 28 February 1942, and Allied personnel. Allied commanders signed a formal surrender at Japanese headquarters at Bandung on 12 March.
The Japanese Invasion of Aparri on 10 December, 1941, was one in a series of advance landings made by Imperial Japanese forces as a first step in their invasion of the Philippines. The purpose was to obtain control of local air strips, which could be used as forward bases by fighter aircraft for operations further south. The first invasion was at Batan Island on 8 December 1941. This was followed by Vigan, Legaspi, Davao, and Jolo Island over the next few days
The Japanese Invasion of Vigan on 10 December 1941 was one in a series of advance landings made by Imperial Japanese forces as first step in their invasion of the Philippines. The purpose was to obtain control of local air strips, which could be used as forward bases by fighter aircraft for operations further south. The first invasion was at Batan Island on 8 December 1941. This was followed by Vigan, Aparri, Legaspi, Davao, Jolo Island over the next few days
The Japanese Invasion of Legazpi on 12 December 1941 was one in a series of advance landings made by Imperial Japanese forces as first step in their invasion of the Philippines. The purpose was to obtain control of local air strips, which could be used as forward bases by fighter aircraft for operations in central Luzon. Control of Legazpi was an important point in the Japanese strategy, as it would also give them control of San Bernardino Strait, between the islands Luzon and Samar, which would prevent the Americans from bringing in reinforcements from the south. The first invasion was at Batan Island on 8 December 1941. This was followed by Vigan, Aparri, Legazpi, Davao, and Jolo Island over the next few days
The Japanese invasion of Lingayen Gulf was the key point in the Japanese plan for the conquest of the Philippines. Preparations had already been made by the Attack on Clark Field and the landings of Japanese forces at five points in northern and southern Luzon and Mindanao in early/mid December 1941, with the IJAAF seizing air fields and basing aircraft for ground support, and the Imperial Japanese Navy establishing seaplane bases at the Camiguin Island, Legaspi, and Davao. The main landing of Japanese forces targeted Lingayen Gulf, with its proximity to the Philippine capital of Manila, and Lamon Bay on the opposite coast to the south.
The Japanese Invasion of Lamon Bay was a secondary mission in the Japanese invasion of Lingayen Gulf during the 1941-1942 Japanese conquest of the Philippines. Securing the coast southeast of Manila would complete the Japanese encirclement of the capital and would act as a diversionary attack from the Japanese main invasion force from the north.
The 81st Infantry Division was a reserve division of the Philippine Army under the United States Army Forces in the Far East (USAFFE). It was established in the prewar period and fought 1941–1942. Its troops are from Cebu, Bohol, and Leyte but most of its troops are Americans and junior officers are Filipinos coming mostly from Luzon. The division served in defense of Mindanao but it never commanded the 4 of its maneuver regiments but was supplemented with 61st Infantry from Panay and 73rd Infantry from Negros. Also, 2nd Regular Regiment was transferred to its command in the early part of Japanese invasion of Mindanao.
The 101st Infantry Division was one the reserve divisions of the Philippine Army under the United States Army Forces in the Far East (USAFFE)'s 10th Military district mainly entire island of Mindanao.
The 11th Infantry Division, Philippine Army, also called the Alakdan Division, is one of the Philippine Army's infantry units in Mindanao. Currently still forming, the Division is expected to complete its equipment and manpower requirements by 2022. It is the youngest of all the infantry divisions of the Army and will have 4,500 troops when fully formed.
Sanuki Maru (Japanese:讃岐丸) was a 1939-built cargo ship, requisitioned as a seaplane tender by the Imperial Japanese Navy during World War II.
Visayas-Mindanao Force was a military formation created in November 1941 to command all soldiers of US Army, US Philippine Scouts, Philippine Army, and Philippine Constabulary in the southern islands of the Philippines. Colonel William F. Sharp was appointed as commanding general and was promoted to Brigadier General in November 1941 and later Major General. His executive officer is Major Howard Edmands. He was just starting to organize his command and train his soldiers into a fighting unit when the war started on December 7, 1941.
Mindanao Force is a corps size military unit defending the island of Mindanao the second largest Island of the Philippines from March 17, 1942, to its surrender on May 9, 1942. The force was already created when the Visayas-Mindanao Force was split into two in March 1942. It was initiated in February 1942 in the headquarters of US Army Forces in the Far East but took effect when General Douglas MacArthur departed for Australia on March 17, 1942.
103rd Infantry Regiment is a unit activated by the Philippine Army during World War II. I was organized in Mindanao in November 1941 which was not yet ready to fight when the war broke out.
82nd Infantry Regiment is a unit activated by the Philippine Commonwealth Army for the defense of the Philippine during World War II. It defended the Cebu Island particularly in the southern part of Cebu during the Japanese landings in Cebu island on April 16, 1942. It surrendered on May 12, 1942, after it was ordered by Visayas-Mindanao Force commander General Sharp to surrender.
After Davao Force was dispersed on December 24, 1941, they went missing and no contact, General Joseph Vachon sent Lieutenant Colonel Howard Frissell to Digos, Davao and setup defense of Digos Junction area to prevent Japanese drive towards Digos-Pikit road and reaching Kabacan the southern terminus of Sayre Highway.
Japanese invasion of Cotabato is one of the three landings made by Japanese Army during their
Japanese invasion of Zamboanga took place in March 1942 as part of Mindanao siege during Japanese campaign to invade the Philippines in December 1941 to May 1942.
Japanese Invasion in Cagayan de Oro, a military conflict during early days of World War II in the Philippines. It took place from May 6 to 12, 1942. Their main objective was to capture vital Del Monte Fields and link with Sakaguchi Detachment from the south via Sayre Highway.
Japan 
Luis Jakosalem
