Smithsonian Channel HDTV (East) (SMITHHD)

A trio of crashes reveals that when maintenance goes unchecked, it can spell catastrophe. (Repeat).

History's most terrifying air disasters, and the investigations that followed, are revisited and reexamined. (Repeat).

History's most terrifying air disasters, and the investigations that followed, are revisited and reexamined. (Repeat).

A close look at deadly plane crashes in Quincy, Sumatra, and the island of Tenerife, each caused by simple misunderstandings. (Repeat).

The Season 3 premiere investigates a 1978 incident in which a Boeing 727 collided with a small plane while landing at San Diego's Lindbergh Airport. (Repeat).

Recalling a 1958 incident in Munich involving a charter plane that was transporting the Manchester United soccer team. (Repeat).

Germany's Lightning War on France is explored through never-before-seen colorized battle footage, newsreels, and personal, firsthand accounts. (Repeat).

Colorized footage and home movies give a rare look at Nazi Germany's invasion of the Soviet Union. (Repeat).

Colorized news footage and Nazi propaganda films give a rare look at the key World War II battles in the deserts of North Africa. (Repeat).

Newly colorized combat footage and home movies tell the story of the greatest tank battle of WWII, (Repeat).

Colorized footage of the Battle of the Bulge captures the brutality of America's biggest, bloodiest conflict of World War II. (Repeat).

Colorized newsreel and propaganda footage of the Soviet's assault on Berlin provides a unique look at the final weeks of World War II. (Repeat).

The battle-tested submarine USS Silversides faces its toughest test: aiding the Marines during the Guadalcanal Campaign. (Repeat).

A look at the innovative Commander Eugene Fluckey and his final patrol of USS Barb, which included the first-ever rocket attack from a sub. (Repeat).

U-Boat ace Werner Henke faces his toughest test when spotted by an Allied hunter-killer group. (Repeat).

A small fleet of British subs is perhaps the Allies last chance to stop Germany in Egypt. (Repeat).

The February 1945 clash of HMS Venturer and U-864 marked the first underwater submarine battle in history. (Repeat).

October 1962: Soviet submarines race toward Cuba on a mission to install a nuclear missile base. When B-59 is discovered near the Quarantine Line, the U.S. Navy drops practice depth charges to force it to surface, unaware of its nuclear torpedo. (Repeat).

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Under the command of Admiral Nimitz in 1943, America advances towards Japan, engaging in a new series of island-hopping invasions through the Central Pacific. But a ferocious and inauspicious start at the Tarawa atoll forces war strategists to redesign their plan from top to bottom, sparking new innovations and breaking new barriers. (Repeat).

After a disastrous start, Admiral Chester Nimitz's island-hopping campaign across the Central Pacific has gained momentum and led his men to their largest and most important target yet: Saipan in the Mariana Islands. The nearly month-long battle on this island featured mountain sieges, Banzai attacks, white-knuckled dogfights, and escalating tensions between the U.S. Army and Marines. (Repeat).

While an attack on Japan from inland Asia stalls, the U.S. island-hopping campaign gains momentum. (Repeat).

March 1945. Japan feels the pressure coming from all fronts-ships from the sea, boots on the ground, and fire from the sky. The Japanese Empire has been weakened, but there is no sign of surrender. Through rarely seen color combat footage and frontline stories, witness the American invasions of Peleliu, the Philippines, and Iwo Jima, in addition to the war's first organized kamikaze attacks and th

The Allies celebrate the end of the war in Europe, but the Pacific War rages on. Okinawa, the last stop in the island-hopping campaign to the Japanese mainland, is absolute havoc, with Japan sending an unprecedented wave of kamikaze attacks to destroy Allied warships. Meanwhile, Australians liberate Indonesians from three years of oppressive Japanese occupation in Borneo. Witness the final battles

By the summer of 1945, the Allies are reducing Japan to ashes, but there's no sign of surrender. While a ground invasion seems imminent, a casualty estimate of U.S. soldiers in the hundreds of thousands leads President Truman to a decision that will not only end the war, but forever change the course of warfare. Color combat footage and witness accounts of the atomic bombings provide rare insights

Hitler unleashes the full power of the German military, threatening the world. (Repeat).

The German blitzkrieg across Europe in 1940, but failure to defeat Britain, is detailed. Also: Hitler's decision to turn against the Soviet Union. (Repeat).

Churchill's refusal to consider peace with Germany; Germany's attack on the USSR. (Repeat).

The Japanese attack on Pearl Harbor in 1941. (Repeat).

The war's conclusion and death toll. (Repeat).

The final stages of the war, including the 1944 Allied invasion of Italy; the 1945 defeat of Germany and Hitler's suicide; and Japan's surrender on the deck of the USS Missouri. (Repeat).

How the Blitz on Britain turned civilians into ambulance drivers, firefighters and heroes to the rest of the world. (Repeat).

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