Vladimir Koshlakov, head of the Keldysh Research Center, recently revealed details about a project by Energomash and S7 Space to develop a reusable launch vehicle, TASS reports. “Recently, we had a conference on present-day problems of rocket engine-building. [S7 Space head Sergei] Sopov delivered a speech. He said: we need engines that can be switched on about 100 times,” Koshlakov said, adding that the question of how many launches will […]