Proper noun
USAT
Initialism of USA Today, an American newspaper.
"Japs Have Island", The Honolulu Star, August 26, 1902, pg. 6 After the USAT Buford reached Manila, Captain Croskey reported on the presence of Japanese at Wake Island. Source: Internet
He also learned that the USAT Sheridan had a similar encounter at Wake with the Japanese men. Source: Internet