This wedding dress was made from a nylon parachute that saved Maj. Claude Hensinger during World War II.
In August 1944, Hensinger, a B-29 pilot, and his crew were returning from a bombing raid over Yowata, Japan, when their engine caught fire. The crew was forced to bail out. Suffering from only minor injuries, Hensinger used the parachute as a pillow and blanket as he waited to be rescued. He kept the parachute that had saved his life. He later proposed to his girlfriend Ruth in 1947, offering her the material for a gown.
More details here.