There, they embarked marines for rotation, and arrived at Chin Wan on 13 March.
In March, she returned to the area to embark marines and transported them to the U.S.
She embarked marines and loaded cargo soon after her arrival and returned home on 2 March.
During 1923 she cruised to Nicaragua, embarked marines stationed there, and returned them to Norfolk.
Trousdale then embarked marines for passage to Taku, China.
However, less than two months after her return, she embarked marines for a special troop lift to the widening Vietnam War.
After some "wet net" training with the Army in the first week of May, preparations were begun to load causeways and embark marines.
At 08:28 on 21 July, Waynes embarked marines headed for shore in the first wave of the invasion.
Two days later, she embarked marines at Numazu for transportation to Okinawa.
In addition she embarked marines for transfer to the Marianas.