35:14

How One Sailor's "Forbidden" Depth Charge Modification Sank 7 U-Boats — Navy Banned It For 2 Years

27:54

How Radar Defeated the U-Boats: The Secret Tech That Won the Battle of the Atlantic

36:38

Germans Never Expected British Hedgehog To Be 10 Times Deadlier Than Depth Charges

29:10

Wehrmacht Examined the British 6-Pounder — Found It Could Penetrate Every Panzer III at 1,500 Yards

27:10

U.S Built 300,000 Jeeps in 4 Years — Britain Built 50,000 Carriers That Served in Every Major Battle