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... The lack of a U.S. carrier in the Pacific may be short-lived if the Navy deploys another in the next couple of months. But it shows how the open-ended operations with Iran are running some American sailors ragged, analysts say, while the Trump administration further retreats from the Asia-Pacific region and focuses on the Western Hemisphere.

"The administration says that the Pacific is supposed to be the most important behind the Western Hemisphere," said Greg Poling, director of the Southeast Asia Program at the Center for Strategic and International Studies. Instead, the U.S. is "doing the exact opposite" of its previously expressed goal of pulling out of the Middle East.

American allies in the Pacific are unsettled over the unpredictability of the Republican administration, Poling said, while Beijing "is quite happy with U.S. distraction, with the frustration of U.S. allies and partners."

China may take advantage of US carrier's absence

Beijing sees the U.S. military presence in the region as a threat to China's rise and an obstacle to its ambition to seize Taiwan, the self-governing island it claims as its own. But the United States has argued that the Pacific region is too important economically to lose. ...