When Hoffmann leaves the room to seek out O'Leary, the door he goes through has a poster which reads - "Remember Pearl Harbour!" The sign uses the UK English spelling rather than the correct US English spelling of "Harbor". Oddly the word "Defense" is spelt correctly using US English directly below.
Radar was a secret right up to the end of the war. Jack Greenwood would not have been telling reporters to write about his latest development.