They are known as America's first military stealth aircraft. Under cover of darkness, the Waco CG-4A combat glider carried U.S. troops and materiel into battle during World War II.  William Horn and Leo Cordier, pilots who flew these unarmed and un-powered planes, landed behind enemy lines before the invasion troops arrived in Europe on D-Day. Their courageous stories are a little known chapter in the Allied march to victory during WWII.

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