In Germany… There is a bombing raid on Essen during the night (June 1-2) by 1036 RAF bombers. 35 fail to return. The success of the raid is questionable.

From San Francisco… The aircraft carrier USS Saratoga sails after repairs from torpedo damage. It will be too late to take part in the coming battle at Midway.

In the Pacific… Twenty-five American submarines from various forces assume stations around Midway.