hat
modifikasyon De-etap nan veyikil la lansman "Spiroton-M" pèmèt yon sèl kòmanse, de oubyen plis satelit ak limyè klas nan mitan (peze 3,5-6 tòn) sou òbit diferan.
eng
Two-step modification of the launch vehicle "Proton-M" allows one starts, two or more satellites and light middle class (weighing 3,5-6 tons) on different orbits.