Smithsonian HD Network NASA's 3D-printed Mars habitat rehearses human life on the red planet. Seoul's historic city hall gains a 13-story glass wave. And in Dallas, 68,000 square feet of concrete galleries balance on legs that want to splay open under. 2026-10-01 Investigators race to uncover why an Amazon cargo plane inexplicably nosedived into a swamp outside of Houston, Texas, in 2019. 2026-10-01 Near the end of its flight, Continental Express Flight 2574 suffers wing damage and goes into a dive falling out of the sky. 2026-10-01 When an American cargo plane crashes moments after takeoff, investigators uncover a systemic problem with aircraft maintenance. 2026-10-01 Three hundred people are killed in one of the deadliest aviation accidents of all time after a fire breaks out on board Saudia Flight 163. 2026-10-01 Moments after takeoff, a plane sustains electrical failures and crashes in the Florida Everglades, killing 110 people on board. 2026-10-01 A Boeing 767 crashes miles from a South Korean runway; the investigation leads to contradicting stories between the surviving pilot and air traffic control. 2026-10-01 Almost immediately after taking off from Madrid International Airport, Spanair Flight 5022 banked to the right, slammed into a creek and burst into flames. 2026-10-01 Martinair 495 crashes on a rain-soaked runway in Portugal, showing how weather can doom a landing; American 1572 hits a storm and loses both engines amid a tower shutdown. 2026-10-01 An examination of three crashes that occurred when pilots battled against their sophisticated aircraft. 2026-10-01 A look at how technological advances over the centuries have transformed maritime warfare. 2026-10-01 Vessels that operate in secret, unseen by their enemies, from secret missions that helped win World War II to modern stealth ships using strange shapes and technology to avoid spying ears and eyes. 2026-10-01 A look at how maritime task forces and the Coast Guard are keeping commercial vessels and US shores safe from pirates and drug smugglers. 2026-10-01 A comprehensive look at the naval battle of Guadalcanal in November 1942 and the heroic efforts of U.S. sailors who held off powerful Imperial Navy. 2026-10-01 The evolution of amphibious assault vehicles, including the restoration of Britain's last surviving LCT 7074 landing craft, designed to carry six Churchill tanks. 2026-10-01 A look at how the role of battleships changed over the course of the First and Second World Wars. 2026-10-01 From tests in the River Thames, to the German's deadly U-boat attacks in World War II, this episode explores the silent threat of submarines. 2026-10-01 Stories of espionage at sea, including deadly U-boat cat-and-mouse games during WWI, the sinking of the Lusitania, a gun-smuggling private yacht that made history, and liners turned troopships. 2026-10-01 The legendary Battle of Trafalgar in 1805, which pitted Napoleon's French ships against a British armada under the command of Admiral Horatio Nelson. 2026-10-01 A look at how the art of deception was used by naval forces in the first half of the 20th century; in 1939, the German raider Atlantis was equipped with fake funnels, while its sailors dressed as women pushing strollers to fool Allied merchant ships. 2026-10-01 The history of the Russian MiG, American air power's fiercest rival for more than 50 years. 2026-10-01 Considered the deadliest fighter of WWII, Germany's Me-109s were feared by Allied bombers and fighters alike; 109s fought Spitfires in the Battle of Britain and alongside Rommel in North Africa. 2026-10-01 A look at how the C-47 evolved from passenger plane to a transport aircraft and flying hospital in WWII and years later as a gunship in Vietnam. 2026-10-01 Stories of fighter aircraft and deadly combat, including dogfights with the P-38 Lightning and Messerschmitts over Nazi Germany, told through rarely seen battle footage and first-hand accounts. 2026-10-01 The story of the world's first nuclear bomber, the B-29, and its explosive impact on aerial warfare. 2026-10-02 An inside look at Japan's A6M Zero, the most feared fighter at the start of World War II. 2026-10-02 The inside story of the massive military transport aircraft, the C-17. 2026-10-02 The history and evolution of America's most legendary spy plane. 2026-10-02 The history of the F-16 Fighting Falcon and how it became the U.S. Air Force's most versatile plane. 2026-10-02 A countdown of the ten greatest military planes of World War II, including the Japanese Zero, the Nazi ME 109, and the B-29 Superfortress. 2026-10-02 The inside story of the F-4 Phantom, the U.S. military's go-to fighter for more than four decades. 2026-10-02 The world's most versatile and powerful helicopters, including the Huey that served as a rescue helicopter in Vietnam, and the Apache attack helicopter. 2026-10-02 An inside look at the U.S. Air Force's largest aircraft, the C-5 Galaxy; its most dramatic combat and peacetime missions over the last 50 years. 2026-10-02 The Vietnam-era OV-10 Bronco is pulled out of retirement to join the fight against ISIS. 2026-10-02 A soaring tour over Southern California explores the stunning beaches, vast deserts, sprawling city and unique culture. 2026-10-02 A coast-to-coast tour over America's man-made structures, old and new; the Statue of Liberty and the Golden Gate Bridge. 2026-10-02 An aerial tour over Kentucky reveals a state of racetracks, country music highways, bourbon distilleries and a history of feuds and traditions. 2026-10-02 Tour the Wisconsin State Capitol and Milwaukee City Hall, once the tallest building in the world. 2026-10-02 The stories and sights of Hawaii's major islands. 2026-10-02 A tour over two U.S. territories, Puerto Rico and the U.S. Virgin Islands. 2026-10-02 A flying tour of Michigan's cultural landmarks, including Motown, the Great Lakes, the automobile industry and more. 2026-10-02 A private jet attempting to compensate for a late approach to the airport, slams into an Ohio apartment building just a couple of miles from the runway. 2026-10-02 A high-stakes demonstration flight in Indonesia turns catastrophic when a Russian jet slams into a mountain. 2026-10-02 Pilots are prepared to cope with a range of emergency scenarios, but failures in training can lead to catastrophe in the cockpit. 2026-10-02 Investigators struggle to determine why a 757 strayed off course during its final approach to a Colombia airport and crashed into a mountain. 2026-10-02 When a British tycoon and his family die in a 2017 Australian seaplane crash, investigators spend over two years searching for the reason behind the tragedy. 2026-10-02 A plane carrying Mexico's interior minister crashes into Mexico City's financial district. 2026-10-02 A twin-engine jet slams into an Ohio apartment building in a tragic perfect storm, raising questions about speed, power, and fatigue; a turboprop crash exposes an industry-wide issue; at Guantánamo Bay, a cargo plane goes down near the Cuban border. 2026-10-02 Travelers from Anchorage get stranded halfway to an island in the Bering Sea, extreme skaters fly into the wilderness in search of Wild Ice, and Alaska's premium cargo airline fights to deliver a team of huskies. 2026-10-03