آموزش زبان انگلیسی

ABOARD THE USS GEORGE WASHINGTON – Nothing projects U.S. global air and sea power more vividly than supercarriers. Bristling with fighter jets that can reach deep into even landlocked trouble zones, America"s virtually invincible carrier fleet has long enforced its dominance of the high seas.

China may soon put an end to that.

U.S. naval planners are scrambling to deal with what analysts say is a game-changing weapon being developed by China — an unprecedented carrier-killing missile called the Dong Feng 21D that could be launched from land with enough accuracy to penetrate the defenses of even the most advanced moving aircraft carrier at a distance of more than 1,500 kilometers (900 miles).