i'm going to meet. 6,000 miles away, fdr travels across the ocean, the u-boat infested waters. churchill, stalin, fdr meet for the first time at the soviet embassy. they plan an operation overlord which we now know as dd. that changed the war and change the world. >> tucker: the logistics of it must've been remarkable. the winter in '43 at the height of the war. >> it was the secret effort because there were assassination attempt all over the place. fdr gets on his presidential yacht, the potomac, they meet up with the uss iowa, the naval destroyer, the newest in the fleet. he is put on there. he's in a wheelchair. they get a modern elevator onto there. onto the ship. they start the track. it's escorted by other ships. while they are over, heading over, they tried to do an exercise to show the president