In this file photo taken on October 17, 2017 Admiral Harry B Harris, Jr, Commander, United States Pacific Command delivers a speech at the 30th International Institute for Strategic Studies (IISS) Fullerton Lecture in Singapore. (Xinhua/AFP PHOTO)

WASHINGTON, May 18 (Xinhua) -- U.S. President Donald Trump picked Admiral Harry Harris as the next U.S. ambassador to the South Korea, said the White House on Friday.

Harris, 61, currently serves as the commander of U.S. Pacific Command. He was previously nominated as the U.S. ambassador to Australia.

The post of the U.S. ambassador to South Korea has remained unfilled since Trump took office in 2017. It has been reported that the White House withdrew its nomination of Victor Cha, a veteran Korea expert, in January for the post because of Cha's opposition to military options against the DPRK.

Harris still needs the Senate confirmation to assume the post.