The Curtiss C-46 Commando - AviationHistory.com Helicopter Work Horse: The Piasecki H-21 - AviationHistory.com Rocky Redoubt: Fort Piute Featured in DesertUSA Traces of the Fortgotten-a section of the Old Spanish Trail. Featured in DesertUSA Burro Schmidt's Tunnel featured in DesertUSA The Mojave Desert & Walter Bickel featured in DesertUSA