The attack transport spent the rest of the month getting ready for her shakedown by holding drills and taking on supplies. On 30 January, she stood out of San Francisco Bay and set course for San Pedro. There, shakedown training took up the first two weeks of February, and type training occupied the remainder. On 2 March, she put in at Terminal Island for a three-week post-shakedown availability. On 21 March, "Barnwell" got underway for San Diego where she embarked passengers and loaded cargo bound for Hawaii. She reached Pearl Harbor on 29 March and spent April conducting amphibious training in the islands.