Formosa, Taiwan - an island in southeastern Asia 100 miles off the coast of mainland China in the South China Sea

Nationalist China, Republic of China, Taiwan, China - a government on the island of Taiwan established in 1949 by Chiang Kai-shek after the conquest of mainland China by the communists led by Mao Zedong

Singapore - an island south of the Malay Peninsula

Gulf of Siam, Gulf of Thailand - an arm of the South China Sea between Indochina and the Malay Peninsula

Pacific, Pacific Ocean - the largest ocean in the world

sea - a division of an ocean or a large body of salt water partially enclosed by land