Following is a continuation of the list of titles and authors: Powered Balloon System. By R. Leclaire and A. O. Korn. Power Sources for Powered Balloons. By Catherine B. Rice. Advanced Airship Concept for Antenna Platform. By N. J. Mayer. Structural Design Features of a 250,000 Ft**3 Tethered Aerostat. By R. G. Witherow. Dynamic Analysis of a Moored Aerodynamically Shaped Balloon Subjected to Atmospheric Turbulence. By J. D. DeLaurier. Tethered and Cable Powered Heavy Lift Balloon Systems Design, Operations and Applications. By R. A. Pohl and K. D. Odney. Manned Aerostat Research Flights. By Kurt R. Stehling. Engineering Aspects of a Balloon-Borne Astral Pointing System (BAPS). By D. L. Guthals and W. C. Gibson.