Author Susan Maynes "Use of military gliders on any scale was unique to World War II:  gliders that were best - - and sometimes only - -way to rapidly move troops and supplies into combat.  Under constant and scathing fire, glider pilots crash landed behind enemy lines to deliver desperately needed men and materials directly into combat zones.  The pilots then fought shoulder to shoulder with the infantry.  Yet to most of their sacrifices and bravery have been virtually unknown."