In Beijing's backyard, U.S. demonstrates its military might

Over a few hours under grey skies, dozens of combat planes and helicopters roar on and off the flight deck of the aircraft carrier Nimitz, in a demonstration of U.S. military power in some of the world's most hotly contested waters. MH-60 Seahawk helicopters and F/A-18 Hornet jets bearing pilot call signs like "Fozzie Bear", "Pig Sweat" and "Bongoo" emit deafening screams as they land in the drizzle on the Nimitz, which is leading a carrier strike group that entered the South China Sea two weeks ago.

The group's commander, Rear Admiral Christopher Sweeney, said the tour was part of a U.S. commitment to uphold freedom of passage in the waters and airspace of a region vital to global trade. "We are going to sail, fly and operate wherever international norms and rules allow. We're going to do that safely and we're going to be resolute about that," Sweeney told Reuters on Friday.

"It's really just about sailing and operating obviously with our allies and partners in the area and assuring them of free and open commerce and trade in the Indo-Pacific."

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