Replay Video We're sorry, there seems to be an issue playing this video. Please refresh the page or try again in a moment. If you continue to have issues, please contact us here. WATCH Loading Video... Vemork Power Plant 01:08 More From This Show This is the heroic story of the Allied special forces that risked life and limb in the most successful clandestine operation of World War II. Similar Topics: Related Videos Titan I Missile Silo 01:18 Psst! There's Gold in Space 02:06 Expedition Unknown | The mystery of the Dead Sea Scrolls 01:25 Home of the Serengeti 01:11 Season 2 Sneak Peek 01:12 Terror and Glory: 1945 |Trailer 02:48 How Mummies are Made 01:29 Finding the Dead Sea Scrolls 01:22 More Videos The Descent of Kukulkan 01:27 Solo Ocean Row Record 02:19 EXPEDITION TO THE EDGE | Trailer 00:29 Clayton Phipps Makes History 01:49 Alaska the Last Frontier | Season 10 Trailer 02:24 The Famed Ark of the Covenant 01:06 NASA's VIPER MIssion 01:37 Celebrating Hubble's Legacy 00:57 That's a Big Black Hole! 01:43 Space Out | How Giant Stars Die 01:53 Check out the Crab Nebula 01:04 Hubble's Greatest Moments 05:05 The Kuiper Belt 02:29 How the Universe Works | Journey Through the Cosmos with Mike Rowe 00:29 State-Of-The-Art Firefighting 01:18 The Broomstick Challenge 01:37 We Recommend A Canadian Teen Once Discovered an Ancient Temple – Using Google Maps A Majestic City Carved into Rock, Thousands of Years Ago Mt. Shasta, California’s Mysterious Volcano, is an Enigma Waiting to be Explored Scientists in China Discover Rare Moon Crystal that Could Power Earth Extreme Weather Tests the Durability of Solar and Wind Power A Spanish Sunken Galleon Has a $17B Bounty Onboard - and Now You Can See It