24K views · 644 reactions | Nearly 400 feet beneath the freezing Sea of Okhotsk in the far east Soviet territorial waters, a submarine was conducting a series of spy missions to tap into Soviet communication cables between military bases, and was right on its way to becoming the most decorated submarine in United States Navy history... | Dark Documentaries | Facebook

269K views · 3K reactions | The Vought V-173 was the Flying Pancake - a strange, yet promising experimental test aircraft built for the American Navy fighter program during World War II... | Dark Documentaries | Facebook

650K views · 12K reactions | The P-61 Black Widow was the first operational U.S. aircraft specifically designed as a night-fighter and played a critical role in World War 2... | Dark Documentaries | Facebook