 The regiment remained in the greater San Diego area until April, when (similar to the mobilization for World War I) they were stationed at Fort Lewis near Seattle, Washington and later to the Presidio of San Francisco near San Francisco, California.In June 1942, while at the Presidio, the regiment was relieved from the 40th Infantry Division and attached directly to the Western Defense Command.In November 1942, while still officially under the control of the Western Defense Command, the regiment was attached to the 7th Infantry Division at Fort Ord and later Amphibious Training Force Nine.