Right before attack
Surely many of the sailors parading behind the cast members in the closing sequence would not survive the war. Few could foresee that in the spring of 1941, but for us that sad fact gives the film a poignancy its makers never intended.
read this in the comments section, seeing the dates I couldn't help but think the same thing.
There is one scene in the movie where they have a practice run, little did they know.... share