U.S. Vice President Kamala Harris speaks to troops as she visits the USS Tulsa in Singapore, August 23, 2021.

U.S. Vice President Kamala Harris delivers a speech at Gardens by the Bay in Singapore before departing for Vietnam on the second leg of her Asia trip, August, 24, 2021.

U.S. Vice President Kamala Harris meets Vietnam's Vice President Vo Thi Anh Xuan, at the Gold Room of the Presidential Palace, in Hanoi, Vietnam, August, 25, 2021.

U.S. Vice President Kamala Harris meets Vietnam's President Nguyen Xuan Phuc during a bilateral meeting at the Mirror Room of the Presidential Palace, in Hanoi, Vietnam, August, 25, 2021.

U.S. Vice President Kamala Harris meets with Singapore's President Halimah Yacob at the Istana in Singapore August 23, 2021.

U.S. Vice President Kamala Harris visits the USS Tulsa in Singapore, August 23, 2021.

U.S. Vice President Kamala Harris delivers remarks during the official launch of the CDC Southeast Asia Regional Office in Hanoi, Vietnam, August, 25, 2021.

U.S. Vice President Kamala Harris lays flowers at the Senator John McCain memorial site, where his Navy aircraft was shot down by the North Vietnamese, on the three-year anniversary of his death, in Hanoi, Vietnam, August, 25, 2021.

U.S. Vice President Kamala Harris is welcomed by Singapore's Prime Minister Lee Hsien Loong (R) at the Istana in Singapore August 23, 2021.

U.S. Vice President Kamala Harris departs Singapore for travel to Vietnam, August, 24, 2021. Image used for illustrative purpose

U.S. Vice President Kamala Harris poses next to Papilionanda Kamala Harris during an orchid naming ceremony at the Istana in Singapore August 23, 2021.

U.S. Vice President Kamala Harris, accompanied by Gardens by the Bay CEO Felix Loh, visits the orchid that was named after her, at the Flower Dome at Gardens by the Bay, following her foreign policy speech, in Singapore August 24, 2021.