It flew from Idaho to Hamilton Field, California before its overseas movement.

Several events in 1941 marked the group's assignment at Hamilton Field.

In December 1941, the 20th reassembled at Hamilton Field, California.

The location was nine air miles southwest of Hamilton Field, and about eighteen miles by road.

Promoted in 1941 to colonel while at Hamilton Field.

A year later, he became post operations and engineering officer at Hamilton Field, California.

Because the runway at Hamilton Field was not adequate for the B-17, the larger planes had to go elsewhere.

The 357th remained at Hamilton Field, while its squadrons were activated and personnel and equipment acquired.

The band has since returned to a reconfigured Hamilton Field.

By fall of 1943, the airfield was a sub-base of Hamilton Field.