Here is a WW2 film about the nature of the Japanese religion around Bushido and how that explains Pearl Harbor and their abuse of prisoners and civilians. We won't see a film by the Pentagon about the nature of Islamists during this war.
https://www.youtube.com/watch?v=weKko2KGPAo
I don't blame your co-workers at all - I blame the commander in chief at that time for not putting us on a war footing and explaining / identifying who the enemy is.
Look at Pakistan and Bangladesh(East Pakistan) on a 1971 map. How did Pakistan invade it’s eastern province without crossing India? Troops musta been stationed there in the first place.