The military exercise ‘Foal Eagle drill’ was between_____________.

Question

Accepted Answer

The U.S and South Korea. A is correct because the Foal Eagle drill is a known military exercise between the U.S and South Korea. B is incorrect because this specific drill name does not relate to exercises between South Korea and Japan. C is incorrect because this drill involves different countries than Russia and China. D is incorrect because this drill does not involve the Philippines and Malaysia.