Soyuz-STARSEM & MIL.ru

 Diameter: 3.00 m, Material: Aluminium
 Diameter: 3.72 m, Material: Aluminium,  Sections: Base for Fregat (1.61 m ) + segments 2.50/ 0.40 m + nose cone (3.59 m)
 Diameter: 4.11,  Material: Carbon fiber