During World War Two, Japanese forces invaded two remote islands with less than ten thousand troops, voluntarily abandoned one island, and were kicked off the o

During World War Two, Japanese forces invaded two remote islands with less than ten thousand troops, voluntarily abandoned one island, and were kicked off the other a year later. It was in all likelihood a diversion during the Battle of Midway. With such a small force and so little materiel committed, it posed little real threat to the U.S. West Coast. https://en.wikipedia.org/wiki/Aleutian_Islands_campaign https://en.wikipedia.org/wiki/Aleutian_Islands_campaign