In June and July 1945, Major-General Bill Williams made his third trip to the USA to meet with his opposite numbers on the US and Canada to plan supplies for the land war against Japan, and to visit the companies producing the equipment that would be needed.
He saw the latest techniques in packaging to protect equipment against the hostile climate of Southeast Asia. He inspected the most recent landing craft and vehicles developed to drive through five feet of swamp. He talked to scientists developing rockets, and saw the rockets in action.
For my mother, Betty Perks who as his PA accompanied him, it was surely dinner with actors Ronald Coleman and Herbert Marshall that was the highlight of the trip. I guess you don't ask for an autograph of your dinner host. So, here is one from an earlier trip of Errol Flynn.
They returned to England on 31 July.
On 6 August the first atomic bomb was dropped on Hiroshima and, on 15 August, Japan surrendered.