Preparations are underway for the  medium-lift Soyuz launch to deploy the six final spacecraft in Globalstar’s second-generation  constellation, with the mission scheduled to lift off from Kazakhstan’s Baikonur  Cosmodrome next February. 
          This is the last of four flights  contracted to Arianespace for the orbiting of Globalstar’s second-generation  constellation, completing a series of launches that started in October 2010, and  continuing in December and July 2011.  All  of these missions are performed at Baikonur Cosmodrome by Arianespace’s Starsem  affiliate.
          Globalstar reports that with the  24 satellites orbited to date by Arianespace/Starsem launches, its current  subscribers and new users are experiencing significantly improved performance  and reliability with high voice quality, fast mobile satellite handset data  speeds and affordable service. 
          Built by Thales Alenia Space, the  Globalstar second-generation platforms are trapezoidal in shape to facilitate  their integration on a purpose-built dispenser that fits under the Soyuz  payload fairing.
          The launch vehicles operated from Baikonur Cosmodrome use the same basic modernized Soyuz version that Arianespace  introduced at the Spaceport in French Guiana during 2011, and are equipped with  the ST-type fairing that has an external diameter of 4.1 meters and a length of  11.4 meters.
          Next February’s Soyuz launch is designated ST26  in Arianespace’s numbering sequence to signify the 26th flight performed by its  Starsem affiliate since beginning operations with a launch in 1999 that lofted four  first-generation Globalstar satellites.