Japanese militarism
"Salmon" operated along the West Coast through 1940 and the greater portion of 1941. Late that year, she was transferred with her division and the submarine tender , to the Asiatic station. On 18 November, "Holland" with "Salmon", , , and arrived at Manila and formed SubDiv 21 of the Asiatic fleet to bolster defenses in the Philippines as marked tension was growing due to Japanese militarism.