FYI:
A very handsome 50-page brochure (Russian and English) about Progress M50
and background
can be downloaded in pdf form from
http://www.federalspace.ru/video/Progress_M50_www.pdf
Specific mission details (in Russian) can be read at
http://www.federalspace.ru/Start1Show.asp?STARTID=574
JimO
www.jamesoberg.com