SEOUL—The Trump administration is considering sending Adm. Harry Harris to South Korea as its new ambassador, according to two people familiar with the matter, turning to a military man to fill a diplomatic vacancy at a pivotal moment on the Korean Peninsula.
Adm. Harris, currently the head of U.S. Pacific Command, had been tapped as the next ambassador to Australia and would need to go through a fresh vetting process and confirmation hearing before taking up the post in Seoul.
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