World War II: The American 19th Bombardment Group attacks Japanese ships off the coast of Vigan, Luzon.

The 19th Operations Group is the operational flying component of the United States Air Force 19th Airlift Wing, stationed at Little Rock Air Force Base, Arkansas.

Vigan, officially the City of Vigan (Ilocano: Siudad ti Vigan; Filipino: Lungsod ng Vigan; Spanish: Ciudad de Vigan, is a component city and capital of the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 53,935 people.

Luzon is the largest and most populous island in the Philippines. Located in the northern portion of the Philippine archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, as well as Quezon City, the country's most populous city. With a population of 64 million as of 2021, it contains 52.5% of the country's total population and is the 4th most populous island in the world. It is the 15th largest island in the world by land area.