After WWII, veterans returned home with "combat fatigue," now known as PTSD. Psychiatrist Robert Felix lobbied to establish the National Institute of Mental Health and elevated mental health awareness in America.
The story of how America’s battle to control the seas against the terrifying German U-boats in the Atlantic and Japan’s fearsome Navy in the Pacific ultimately turns the tide of the war. See more in this clip from Season 1, Episode 5, "The War at Sea."