Japanese invasion of Zamboanga

Japanese invasion of Zamboanga
Location	May 1, 1942 – May 12, 1942
Result	Japanese firmly controlled the island of Mindanao until its capitulation in May 12, 1942
Territorial; changes	Port city of Zamboanga fell to the Japanese
Belligerents
United States of America Commonwealth of the Philippines;	Empire of Japan
Commanders and leaders
Alvin T. Wilson; Lawrence Prichard; Jay E. Tremaine; R.D Winne; Jose D. Garcia; Juan Crisologo	Fugiyama Rokuzo; Irifune Naosaburo; Yamada Yamanouchi Junnosuke
Units involved
Philippine Commonwealth Army Ground units: Visayas-Mindanao Force; Zamboanga Sector Force 1st Battalion, 102nd Infantry; 1st Battalion, 106th Infantry; ; Philippine Constabulary Zamboanga PC Company;	3rd Southern Expeditionary Fleet Ground units: 32nd Base Force 2nd Kure Special Naval Landing Force; ; Escort Force 1st Gun Boat Division; 51st Subchaser Division; Air Units 32nd Air Group;
Strength
1,000 Troops 200 PC	220 Naval Infantrymen; 1 Light Cruiser; 1 Torpedo Boat; 2 Gunboats; 2 Subchaser Boat; 7 Seaplanes

Japanese invasion of Zamboanga (Filipino: Paglusob ng mga Hapones sa Zamboanga, Chavacano: El Invasion na maga Japones de Zamboanga) took place in March 1942 as part of Mindanao siege during Japanese campaign to invade the Philippines in December 1941 to May 1942.