A decommissioned World War II-era destroyer docked near downtown Buffalo in New York is taking on water and listing...
Ways to Avoid Losing Oxygen in a Submarine
In 1940, German U-boat commander Otto Kretschmer's submarine was under siege for hours and his crew grew tremendously stressed. In order to preserve oxygen, they had to find ways to stay calm. From: HELL BELOW: Wolf Pack http://bit.ly/29HPKoV