The United States deployed a powerful U.S. B-52 bomber on a low-level flight over its ally South Korea on Sunday.The B-52 was joined by South Korean F-15 and U.S. F-16 fighters and returned to its base in Guam after the flight, the U.S. military said. "This was a demonstration of the ironclad U.S. commitment to our allies in South Korea, in Japan, and to the defense of the American homeland," said Adm. Harry B. Harris Jr., commander U.S. Pacific Command, in a statement. "North Korea's nuclear test is a blatant violation of its international obligations."
