DUCTED PROPELLER ASSAULT TRANSPORT STUDY Open PDF Document Details Document Type Technical Report Publication Date Apr 15, 1956 Accession Number AD0102745 Entities Organizations Bell Aircraft Corporation Tags DTIC Thesaurus Topics Aircrafts Contracts Government Procurement Governments Military Research National Security Propellers Propulsion Systems Shrouded Propellers Transport Aircraft Transport Ships United States United States Government Wind Tunnel Models Wind Tunnel Tests Wind Tunnels