Army helicopters, however, aren't deemed good enough to transport Marines.
Her purpose was to transport boys and marines as supernumeraries for other vessels on the South American station.
On the 16th, she got underway for Okinawa to transport marines there from the Philippines.
They transported marines to Da Nang, bringing the total to nearly 8,000.
After transporting Marines to Wallis Island in May, she made a survey of local harbors.
Tuscaloosa returned to Japan soon thereafter, transporting marines and equipment, before she headed back to the Philippines for amphibious exercises.
On the second day of the operation, a Marine amphibious assault vehicle, which was transporting Marines to the initial assault, hit a huge roadside bomb.
February was spent at Okinawa; and, on 3 March, the ship transported marines and vehicles to Subic Bay.
Union remained at Guam through 2 October when she set course for Tsingtao, China, to transport marines for occupation duty.
In late September, she transported marines from Morehead City to Vieques Island for amphibious training exercises.