1. 
   M series
   (Japanese rockets) Rockets developed by ISAS (Institute of Space and Astronautical Science) from the earlier and smaller L series (“L” and “M” are short for “Lambda” and “Mu”). In order of debut after the L-4S, they are the M-4S, M-3C, M-3H, M-3S, M-3SII, and M-5. M-3 M...
   Found op http://www.daviddarling.info/encyclopedia/M/M_series.html
   
   
2. 
   M-series
   [Toronto subway car] The M-series rapid transit cars were a Toronto subway car model built in 1961–1962. By 1960 the Toronto Transit Commission was preparing plans to expand its subway system to include the University line. The TTC wanted subway cars with a larger {convert|75|ft|m|2|adj=on...
   Found op http://en.wikipedia.org/wiki/M-series_(Toronto_subway_car)
   
   
3. 
   M&I Bank Border Showdown Series
   The M&I Bank Border Showdown Series is the official name for the Border War rivalry between the University of Kansas Jayhawks and the University of Missouri Tigers. ==Competition Format== ==History== The M&I Bank Border Showdown Series dates back to 2002. Missouri currently has an advantage in the ...
   Found op http://en.wikipedia.org/wiki/M&I_Bank_Border_Showdown_Series
   
   

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