D-Day the Sixth of June (1956)

'Twas the night before D-Day. One ship, carrying Special Force Six, leaves ahead of the main invasion on a dangerous mission. On board are British Colonel Wynter and American Captain Parker, who each, in flashback, reminisce about their separate involvements with beauteous Valerie Russell. Will the coming battle (confined to the film's last fifteen minutes) determine which one comes home to her?