Some fear China could win from US spat with Marshall Islands

The stem of a hydrogen bomb, the first such nuclear device dropped from a U.S. aircraft, moves upward through a heavy cloud and comes through the top of the cloud, after the bomb was detonated over Namu Island in the Bikini Atoll, Marshall Islands on May 21, 1956. For decades, the tiny Marshall Islands has been a stalwart American ally. Its location in the middle of the Pacific Ocean has made it a key strategic outpost for the U.S. military. (AP Photo/File)

FILE - Mothers and children enjoy an afternoon game of volleyball on a beach in Majuro Atoll in the Marshall Islands on Nov. 9, 2015. For decades, the tiny Marshall Islands has been a stalwart American ally. Its location in the middle of the Pacific Ocean has made it a key strategic outpost for the U.S. military. (AP Photo/Rob Griffith, File)

FILE - Natives of Bikini Atoll, scene of upcoming atomic tests, go ashore on the beach at Rongerik Atoll, their new home, after being moved in a Navy LST, on March 14, 1946. For decades, the tiny Marshall Islands has been a stalwart American ally. Its location in the middle of the Pacific Ocean has made it a key strategic outpost for the U.S. military. (AP Photo/Clarence Hamm, File)

FILE - An aerial photo shows a small section of an atoll at Majuro Atoll in the Marshall Islands, on Nov. 6, 2015. For decades, the tiny Marshall Islands has been a stalwart American ally. Its location in the middle of the Pacific Ocean has made it a key strategic outpost for the U.S. military. (AP Photo/Rob Griffith, File)

An aerial photo shows a small section of the atoll that has slipped beneath the water line only showing a small pile of rocks at low tide on Majuro Atoll in the Marshall Islands on Nov. 8, 2015. For decades, the tiny Marshall Islands has been a stalwart American ally. Its location in the middle of the Pacific Ocean has made it a key strategic outpost for the U.S. military. (AP Photo/Rob Griffith, File)

ELLINGTON, New Zealand — For decades, the tiny Marshall Islands has been a stalwart American ally. Its location in the middle of the Pacific Ocean has made it a key strategic outpost for the U.S. military.